title: jQuery math & variables
body: <p>I'm trying to take a variable (the value of a text input) and do math to it, then output the result to another element.</p>
  
  <p>I'm running into a few problems, namely that it doesn't work.</p>
  
  <p>Here's my code - <a href="http://slexy.org/view/s2TIOA5FKw" rel="nofollow">http://slexy.org/view/s2TIOA5FKw</a>.</p>