To solve this question we have to make deduct these 2 years. 2099 minus 1981 will give the answer.
You are 118 years old.
(1416 months are passed.)
From 1981 to 2099 there are 118 years. If you want to learn your age in 2099 (born in 1981) your age is 118.
Let's see what will be your age if you born +1 or -1 from that date.