title: How to pull data from Google Form and display result before submission?
body: <p>Say I have a google form here: <a href="https://docs.google.com/forms/d/1HnATawk6ioE7_EVKrtszxvScjmUSF7_ma0_9XhBZ-hw/viewform" rel="nofollow">https://docs.google.com/forms/d/1HnATawk6ioE7_EVKrtszxvScjmUSF7_ma0_9XhBZ-hw/viewform</a></p>
  
  <p>The user will input numbers.</p>
  
  <p>As a confirmation before they submit the form, I'd like to use those numbers to display the analysis of the data which they can verify before submission. (To be precise, I'd like to display the sum of the first 4 numbers, then the sum of the next 4 numbers, then state which sum is bigger, and by how much)</p>
  
  <p>Is there any way to do this? </p>