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

### Instruction:
 阿里今年8岁，比尤萨夫大3岁。如果乌玛尔是尤萨夫的两倍年龄，乌玛尔多大？


### Response:
 如果阿里比尤萨夫大3岁，那么尤萨夫今年5岁。
如果乌玛尔是尤萨夫的两倍年龄，那么他今年10岁。