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

### Instruction:
 Cape May和Daytona Beach每年都有40次鲨鱼目击事件。如果Cape May的鲨鱼目击事件数量是Daytona Beach的两倍减去8，那么Cape May有多少次鲨鱼目击事件？


### Response:
 设Daytona Beach的鲨鱼目击事件数量为x
Cape May的鲨鱼目击事件数量为2x-8
x+2x-8=40
3x-8=40
3x=48
x=<<16=16>>16
Cape May有2(16)-8=24次鲨鱼目击事件