Kim buys 3 pizzas.  They are 12 slices each.  The pizza cost $72.  How much did 5 slices cost?
he got 3*12=<T>multiply(3, 12)=36 slices
So each slice cost 72/36=$<T>divide(72, 36)=2.0
So 5 slices would cost 5*2=$<T>multiply(5, 2)=10
