Calculation and Ouptut

Hi All,
I am looking below sequebce of action
Visitor can enter 4 fields (number) than a formula calculate a output.(calculated field form is suitable upto here)

Based on the output it will open specifc report/link/video/photo (if and else)

Also I want to store user input like name and last name somewhere in variable so i can use it in html command in caption=<?php var >

Any way to accomplish