How many tables of banquet can be put in the lobby of Qidong Dongjiang Hotel at most?

5, a table for 5 people needs 4~9 square meters, and a table for 1 people needs 9~16 square meters. A table for 3 people needs 12~48 square meters, and a speech space of 1 ~ 2 square meters. The backstage space is about 1~3 square meters, and there are 1~3 rooms. If the kitchen space is about 3 square meters, the minimum is about 17 square meters (