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

### Instruction:
 Chastity买了4个棒棒糖，每个价钱是1.50美元，她还买了2包软糖，每包价钱是2美元。如果她有15美元，买完糖果后还剩下多少钱？


### Response:
 她总共花了4 x 1.50 = 6美元买棒棒糖。
她还总共花了2 x 2 = 4美元买软糖。
所以，Chastity买完糖果后还剩下15 - 10 = 5美元。