Two teachers met after a long time
The first teacher asked the 2nd teacher:
“How old is your son?”
The 2nd teacher replied:
“My son is five times as old as my daughter and my wife is five times as old as my son.
I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.
How old is the 2nd teacher’s son?