title: How to find sum of first three values and compare it with another property
body: <p>This is my json response and I need to  sum of first 3 values and compare it with total value in the SOAPUI. </p>
  
  <pre><code>{
     "major": 21,
     "minor": 1,
     "critical": 3,
     "total": 25
  }
  </code></pre>