title: Calculate total from number input and set to number input
body: <p>Helo, I have some problems on my calculate script, why I can not calculate example: 23+20*2=86 when I calculate he gather + and not * why ? hre is the script</p>
  
  <pre><code>&lt;script type='text/javascript'&gt;
  $(window).load(function(){
      $('div#cont-sum-fields').on('change', 'input', function() {
          var total = 0;
          $('#cont-sum-fields').find('input[id^="cont-sum"]').each(function() {
              if ($(this).val() !== "") total += parseFloat($(this).val())
          });
          $('#cont-sum-fields').find('#total-cont-sum').val(total);
      });
  });//]]&gt;  
  &lt;/script&gt;
  
  
  &lt;body&gt;
    &lt;div id='cont-sum-fields'&gt;
      &lt;input type="number" id="cont-sum-1" /&gt; 
      &lt;input type="number" id="cont-sum-2" /&gt; 
      &lt;input type="number" id="cont-sum-3" /&gt; 
      &lt;input id="total-cont-sum" type="number" disabled /&gt;
    &lt;/div&gt;
  &lt;/body&gt;
  </code></pre>
  
  <p>where I wrong?</p>