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

### Instruction:
 亨德里克斯买了一把吉他，价格为200美元，比杰拉德买的同款吉他便宜了20%。杰拉德买吉他花了多少钱？


### Response:
 设杰拉德买吉他花了G美元。
那么0.8 * G = 200美元
因此 G = 200美元 / 0.8 = 250美元