Each box can hold a single dish for 300 people. It can hold 6 1/1-minute dishes with a height of 6.5, 4 with a height of 10 centimeters, 3 with a height of 15 centimeters, and 2 with a height of 20 centimeters. At the same time, it can hold 1/2 dishes with a height of 2 on each floor, and 1/3 dishes with a height of 3 on each floor