How much floor space does a hotel with 500 rooms need?

According to an average room of 50 square meters, 500 rooms need 25,000 square meters. Now it includes public space, restaurant, hall and pool area, and it is estimated that the best area is 1 10,000 to1.20,000 square meters. Of course, this is theoretical data, and the pool area varies from place to place, depending on the planning situation.