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

### Instruction:
Elmo has 3 times as many books as his sister, Laura. Laura has twice as many books as her brother, Stu. If Elmo has 24 books, how many books does Stu have?

### Response:
 ลอร่ามีหนังสือ 24/3=<<24/3=8>>8 เล่ม
สตูมีหนังสือ 8/2=<<8/2=4>>4 เล่ม