The Realm Of Maths

What is Mathematics? It's a mystical kingdom where people buy 60 watermelons and no one cares. Not only that, the person knows that there's 12 rotten watermelons and still doesn't give a damn. Instead, he/she asks you to calculate the probability of taking out a fresh watermelon from a box. How big is the damn box and why not throw away the rotten ones?! Maths, why do you make my life hard?