title: Adding two Variables together?
body: <p>Trying to add two integer variables together, however, I can't seem to figure it out as it just joins them as strings?  </p>
  
  <pre><code>var age_child = 10;
  var age_gap = 10
  alert(age_child+age_gap);
  </code></pre>
  
  <p>Result: 1010,
  Want Result: 20</p>