The bell rings, and Maria groans. Her first class of the day is math. She heads to her least favorite class of the day. It was even the first one, which made it worse.
On all the desks, she saw white calculators. She thought this was weird, but sat down. Little did she know that the calculators were magical. They were magical in a way that whatever she put in the calculator, it would effect her age some how.
She tested the calculator with the equation...