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

### Instruction:
 亚历山大去购物。如果他买5个苹果，每个1美元，和2个橙子，每个2美元，他花了多少钱？


### Response:
 5个苹果，每个1美元，是5 * 1 = $<<5*1=5>>5
2个橙子，每个2美元，是2 * 2 = $<<2*2=4>>4
总共他花了5 + 4 = $<<5+4=9>>9