To solve this question we have to make deduct these 2 years. 2116 minus 1981 will give the answer.
You are 135 years old.
(1620 months are passed.)
From 1981 to 2116 there are 135 years. If you want to learn your age in 2116 (born in 1981) your age is 135.
Let's see what will be your age if you born +1 or -1 from that date.