title: Converting strings to numbers and back to natural language?
body: <p>I'm working with a recipe database application and I need the ability to convert natural language strings to numbers and vice versa. For example, I need 1 1/4 to convert to 1.25, and I'll need to be able to convert 1.25 back into 1 1/4.</p>
  
  <p>Is there any library or built-in functions that can do this?</p>