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

### Instruction:
 每个银行出纳员有10卷硬币。每卷有25个硬币。四个银行出纳员总共有多少个硬币？


### Response:
 每个银行出纳员有25 x 10 = <<25*10=250>>250个硬币。
因此，四个银行出纳员总共有250 x 4 = <<250*4=1000>>1000个硬币。