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

### Instruction:
A total of 42 baby sea turtles hatched and are headed to the ocean. One-third of them got swept to the sea by a wave.  How many are still on the sand?

### Response:
 จำนวนลูกเต่าที่อยู่ในทะเล: 42 / 3 = <<42/3=14>>14 ตัว
จำนวนลูกเต่าที่ยังอยู่บนทราย: 42 - 14 = <<42-14=28>>28 ตัว