A ride operator runs 3 flatbeds. They use 20 bales on each flatbed. More below?

A hayride operators decided to run 3 flatbeds at a time to minimize lines. They use 20 bales of hay on each flatbed. They find that at the end of each day they need to replace half of the hay on each of the flatbeds to be ready for the next day’s business. How many total bales of hay will the hayride operators have used on the 3 flatbeds after they replenish the hay at the end of the fifth day of business?