Yellow rubber boots may remind you of your time spent in kindergarten when you were out splashing in mud puddles on your walk home from school.

Only this was before the world got too creepy for kids to walk home alone.

This streeter isn't in kindergarten, she's a mathematician and she knows that cool boots, a lumber man jacket and a passionate strut that could put anyone to shame equals a good day on the street.

And people say math is a hard concept to grasp....