You use your brain to help you do math. You need to use it to think about a math problem.
The left lobe of your brain is the part of the brain you use to do math.
I think I can do to the math with my brain.
no math involved
because it is...
math is a brain teaser that helps you to think hard
i think it is multiples.
With their brain
With a calculator or their brain.
In one word; math!