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

### Instruction:
 每个酸奶上面都有8片香蕉。一个香蕉可以切成10片。如果维维安需要做5个酸奶，她需要买多少个香蕉？


### Response:
 为了做这些酸奶，维维安需要5 x 8 = <<5*8=40>>40片香蕉。
她需要买40 / 10 = <<40/10=4>>4个香蕉。