How much is the price difference between one room and one bed and one room and two beds in Guangzhou hotel?

Accommodation in Guangzhou Hotel, one room and one bed, one room and two beds, is lower than that in 80 yuan. According to relevant information, one room and one bed is a big bed room with a price of 388. One room with two beds is a standard room, 308. The big bed rooms in most hotels are more expensive than the standard rooms. The big bed room is more comfortable and the bed is bigger, so the price is relatively high.