title: How to eliminate the whole number and return only the decimal digits?
body: <p>Sample output:</p>
  <p><a href="https://i.stack.imgur.com/opGXR.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/opGXR.png" alt="enter image description here" /></a></p>
  <p>I'm doing a little project on my own practicing my skills in Java and I ran into a dead end, I don't know how should I code this.</p>
  <p>Is there a way that I could only grab the decimal digits only without the whole number from the sum of the given input by the user?</p>