Code not working

Question

This is a test on the java course, but i can't figure out what's wrong with this, It gives me an error on test case Number 3, which i can't see
https://code.sololearn.com/cwOLO3WO0dIj/?ref=app

Answer 1

Use
System.out.println(Math.PI*width*width);
Instead of
System.out.println(width*width*Math.PI);

Answer 2

Jayakrishna🇮🇳 thanks, this works, but why?

Answer 3

There you get a slite rounding difference..
because of different types of data.

Check the code with width=11

Answer 4

Thanks, now in understand

Answer 5

You're welcome..