Alexander is going food shopping. If he buys 5 apples for $1 each and 2 oranges for $2 each, how much does he spend?
Alexander spends 5 * $1 = $<T>multiply(5, 1)=5 on apples.
He spends 2 * $2 = $<T>multiply(2, 2)=4 on oranges.
In total, he spends $5 + $4 = $<T>add(5, 4)=9
