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

### Instruction:
 杰克逊收集了45只寄居蟹，每只寄居蟹有3个螺旋壳，每个螺旋壳有2只海星。他总共收集了多少个纪念品？


### Response:
 杰克逊收集了45*3*2=<<45*3*2=270>>270个纪念品