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

### Instruction:
 一只鸟每天吃7颗浆果。塞缪尔有5只鸟。塞缪尔的鸟在4天内吃了多少颗浆果？


### Response:
 一只鸟在4天内吃了7颗浆果 x 4 = <<7*4=28>>28颗浆果。
所以，5只鸟在4天内可以吃28颗浆果 x 5只 = <<28*5=140>>140颗浆果。