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

### Instruction:
Three frogs are trying to hop across the road. The first frog takes 4 times as many hops as the second.  The second frog takes twice as many as the third.  If the three frogs took a total of 99 hops, how many hops did it take the second frog to cross the road?

### Response:
 ให้ x เป็นจำนวนครั้งที่กบตัวที่สามกระโดด
กบตัวที่สอง: 2x
กบตัวแรก: 4(2x) = 8x
รวม: x + 2x + 8x = 99
11x = 99
x = 9
กบตัวที่สอง: 2(9) = 18 ครั้ง