Prince Al Gebra was born in December of 63 BC and died in May of 22 AD. How old was he when he died? (steps to solve this)

1. Subtract 63 from 22 to get the number of years between Prince Al Gebra's birth and death.

2. Add 1 to the result to account for the fact that Prince Al Gebra was born in December.
3. The result is the age of Prince Al Gebra when he died.

Answer: 85 years old