Below is an instruction that describes a task. Write a response that appropriately completes the request in Thai. Please answer in Thai.

### Instruction:
A conference center has six rooms. Each room can hold up to 80 people. Today, the conference center is only 2/3 full. How many people are in the conference center?

### Response:
 ศูนย์ประชุมรองรับได้ 80 x 6 = <<80*6=480>>480 คน
วันนี้มีคนทั้งหมด 480 x 2/3 = <<480*2/3=320>>320 คน