title: Why is 1 + '1' = '11' but 1*'1' = 1
body: <p>In case of operation </p>
  
  <p><code>1 + '1'</code>, </p>
  
  <p>the number 1 is converted to string and appended 
  to the later string then why isn't it the case for </p>
  
  <p><code>1 * '1'</code></p>