How does multiplication and division work for an int variable?

Question

Java

I ran into one problem in the task, and in the process of searching for a solution, I came across an interesting nuance, which is in this code ideone.com/JsF87w (nuance for me)
why is the answer equal to 100 ?, although it should be 90

Answer 1

Not an expert in java, but I assume that 10/100 is rounded down, i.e. to 0. And as a result 100-0=100