human
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?
assistant
How old is Sydney? ** Sydney is 20*3 = <<20*3=60>>60 years old.
How old is Mason’s father? ** Mason’s father is 60+6 = <<60+6=66>>66 years old.
#### 66