Mathematics (also abbreviated as math in the US or maths in the UK.) is.... LALALALA...
The word "mathematics" comes from the Greek word μάθημα (meaning máthēma, also what the heck was that?) defined as "what one gets to know."
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Whatever the heck your job is, you need to know math. At least for most of them. Math teacher(duh), musician, cashier, scientist.
There are also mathematics puzzles. I'm a tomato guava spider/ and I like big butts. Yeah! I'm also a Gangnam telescope by night and Rubik's Cubes eat bears for dinner.