Оцените сумму значений, не нажимая кнопку

let container;
let inputs;
let total;

function calcAndShowTotal() {
  let sum = 55435.04798; // it is constant value which must be the beginning value.
  let value;
  inputs.each(function() {
    if ($(this).is('input:checkbox:checked')) {
      // If is a checkbox
      value = parseFloat($(this).attr('price')) || 0;
      sum += value;
    } else if ($(this).is('input:text:not(#total)')) {
      // If is a text wait until you move to another element
      let factor = 1;
      if (this.id == 'm2') {
        factor = 3134.204499;
      } else if (this.id == 'binayasi') {
        factor = -566.2202888;
      }

      value = parseFloat($(this).val()) * factor || 0;
      sum += value;
    } else if ($(this).is('select')) {
      // If is a option from the select element
      value = parseFloat($('option:selected', this).val()) || 0;
      sum += value;
    }
  });
  total.val(sum);
}

function initHandlers() {
  inputs.on('keydown', function(e) {
    let focusable, next;
    if (e.keyCode == 13) {
      focusable = inputs.filter(':visible');
      next = focusable.eq(focusable.index(this) + 1);
      if (next.length) {
        next.focus();
      }
      return false;
    }
  });

  inputs.change(calcAndShowTotal);
  calcAndShowTotal();
}

$(function() {
  console.info('ready!');
  total = $('#total');
  container = $('#housepriceguesslist');
  inputs = container.find('input:checkbox, input:text, select');

  initHandlers();
});

<script src = "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id = "housepriceguesslist">
  Total: <input type = "text" id = "total" value = "0" />
  <br/>
  <br/>
  <select id = "ilce">
    <option value = "0">Choose a state</option>
    <option value = "63999.50712318567">Adalar</option>
    <option value = "6259.918435398593">Ataşehir</option>
    <option value = "46285.35729304834">Beykoz</option>
    <option value = "54258.92953697798">Kadıköy</option>
    <option value = "-3500.620905653726">Kartal</option>
    <option value = "12889.41219909602">Maltepe</option>
    <option value = "-33711.83156847153">Pendik</option>
    <option value = "-34577.42485251657">Sancaktepe</option>
    <option value = "-52183.1608811019">Sultanbeyli</option>
    <option value = "-34760.71735007784">Tuzla</option>
    <option value = "-27379.87966213786">Çekmeköy</option>
    <option value = "-5332.203990418937">Ümraniye</option>
    <option value = "26485.33532820411">Üsküdar</option>
    <option value = "-18732.62070553167">Şile</option>
  </select>
  <select id = "odasalon">
    <option value = "0">Choose room number</option>
    <option value = "5940.027623576261">1+0</option>
    <option value = "-1399.625767475593">1+1</option>
    <option value = "-3033.638999060459">2+1</option>
    <option value = "11519.83954756076">3+1</option>
    <option value = "-7018.52116545078">4+1</option>
    <option value = "-6008.081239150166">5+1</option>
  </select>
  m2: <input type = "text" id = "m2" /> 
  Bina Yasi: <input type = "text" id = "binayasi" />
  <br/>
  <br/> Features:
  <br/>
  <br/>
  <input type = "checkbox" id = "Bati" value = "Bati" price = "-783.4452683566533" /> <label for = "Bati">Bati</label>
  <br/>
  <input type = "checkbox" id = "Dogu" value = "Dogu" price = "-4895.732009084263" /> <label for = "Dogu">Dogu</label>
  <br/>
  <input type = "checkbox" id = "Guney" value = "Guney" price = "-2599.001349652765" /> <label for = "Guney">Guney</label>
  <br/>
  <input type = "checkbox" id = "Kuzey" value = "Kuzey" price = "3832.013070771234" /> <label for = "Kuzey">Kuzey</label>
  <br/>
  <input type = "checkbox" id = "Amerikan Mutfak" value = "Amerikan Mutfak" price = "2346.347889828301" /> <label for = "Amerikan Mutfak">Amerikan Mutfak</label>
  <br/>
  <input type = "checkbox" id = "Dusakabin" value = "Dusakabin" price = "-176.5092353740256" /> <label for = "Dusakabin">Dusakabin</label>
  <br/>
  <input type = "checkbox" id = "Akilli Ev" value = "Akilli Ev" price = "-4756.206384200719" /> <label for = "Akilli Ev">Akilli Ev</label>
  <br/>
  <input type = "checkbox" id = "Ebeveyn Banyosu" value = "Ebeveyn Banyosu" price = "10135.50644456019" /> <label for = "Ebeveyn Banyosu">Ebeveyn Banyosu</label>
  <br/>
  <input type = "checkbox" id = "Kiler" value = "Kiler" price = "-10693.49979821809" /> <label for = "Kiler">Kiler</label>
  <br/>
  <input type = "checkbox" id = "Kuvet" value = "Kuvet" price = "-941.0629741243247" /> <label for = "Kuvet">Kuvet</label>
  <br/>
  <input type = "checkbox" id = "Parke Zemin" value = "Parke Zemin" price = "-8453.847199707092" /> <label for = "Parke Zemin">Parke Zemin</label>
  <br/>
  <input type = "checkbox" id = "Seramik Zemin" value = "Seramik Zemin" price = "1545.025601000643" /> <label for = "Seramik Zemin">Seramik Zemin</label>
  <br/>
  <input type = "checkbox" id = "Sauna" value = "Sauna" price = "8677.708176289747" /> <label for = "Sauna">Sauna</label>
  <br/>
  <input type = "checkbox" id = "Spor Salonu" value = "Spor Salonu" price = "1159.884679563385" /> <label for = "Spor Salonu">Spor Salonu</label>
  <br/>
  <input type = "checkbox" id = "Tenis Kortu" value = "Tenis Kortu" price = "16065.26794172257" /> <label for = "Tenis Kortu">Tenis Kortu</label>
  <br/>
</div>