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

### Instruction:
 莉拉去超市买食物准备圣诞派对。她买了5欧元的苹果，3欧元的糖和17欧元的胡萝卜。她用一张50欧元的钞票付款。售货员要找她多少钱？


### Response:
 要找出售货员应该找给她多少钱，我们首先要找出她总共花了多少钱。她买了5欧元的苹果，3欧元的糖和17欧元的胡萝卜，所以她花了5欧元 + 3欧元 + 17欧元 = <<5+3+17=25>>25欧元。
她付了50欧元，售货员必须保留25欧元，所以售货员必须找给她50欧元 - 25欧元 = <<50-25=25>>25欧元。