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

### Instruction:
Mason is three times younger than Sydney and Sydney is six years younger than Mason's father. If Mason is 20 years old, how old is his father?

### Response:
 ซิดนีย์อายุ 3 x 20 ปี = <<3*20=60>>60 ปี
พ่อของเมซันอายุ 60 ปี + 6 ปี = <<60+6=66>>66 ปี