Lee mows one lawn and charges $33. Last week he mowed 16 lawns and three customers each gave him a $10 tip. How many dollars did Lee earn mowing lawns last week?
33 * 16 = $<T>multiply(33, 16)=528
3 * 10 = $<T>multiply(3, 10)=30
528 + 30 = $<T>add(528, 30)=558
Lee earned $558 mowing lawns last week.
