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

### Instruction:
 如果你将兔子的最快速度加倍，再加上4，然后再加倍，你会得到188。兔子的速度是多少？


### Response:
 兔子的最快速度是46，所以加倍后的速度是92。