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

### Instruction:
 梅森比悉尼小三倍，而悉尼比梅森的父亲小六岁。如果梅森今年20岁，他的父亲多大？


### Response:
 悉尼比梅森大三倍，所以她今年60岁。
梅森的父亲比悉尼大六岁，所以他今年66岁。