New Math
4 / 1 = 0
Four litres of milk in the fridge and one 19 year-old home from university leaves 0 milk for everyone else.
3 x 14 = 2
Three 14-year old boys stay for a sleepover. How much sleep do Mom and Dad get? Two hours max.
6 x 1 x 7 = ~
Six people in a household, each takes one shower per day. How many towels end up in the laundry hamper by the end of the week? Infinity, my friends. There is no end to the towels.