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

### Instruction:
 杰西邀请了4个朋友来玩。他们做了松饼作为零食，杰西想要平均分给她和她的朋友们。如果他们总共做了20个松饼，每个人会有多少个？


### Response:
 一共有5个人，包括杰西在内，所以会有5份。
每个人将会得到2份，因为20 / 5 = <<20/5=4>>4。