Computers can do basic math, quickly and with near-perfect accuracy. This is one of the many things that makes them so useful.
Your friend wrote a simple function intended to save the area of a room in a variable called area given its width and height stored in int variables width and height. Unfortunately, their code has a small error. Go ahead and fix it for them! (Note that you do not need to declare or modify width and height. But you should declare and set area.)
Stuck? You may find these lessons helpful: