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

### Instruction:
Theo, Mason, and Roxy are siblings.  Theo drinks 8 cups of water every day. Mason drinks 7 cups of water.  Roxy drinks 9 cups of water every day.  In one week, how many cups of water do the siblings drink together?

### Response:
 ทุกวันพี่น้องดื่มน้ำรวมกัน 8 + 7 + 9 = <<8+7+9=24>>24 แก้ว
ในหนึ่งสัปดาห์พี่น้องดื่มน้ำรวมกันทั้งหมด 24 x 7 = <<24*7=168>>168 แก้ว