You have 32$ to spend on groceries.  You buy a loaf of bread for 3$, a candy bar for 2$, and 1/3 of whats left on a Turkey.  How much money do you have left?
32-3=<T>subtract(32, 3)=29
29-2=<T>subtract(29, 2)=27
27(1/3)=9
27-9=<T>subtract(27, 9)=18$
