To solve this question we have to make deduct these 2 years. 2091 minus 1981 will give the answer.
You are 110 years old.
(1320 months are passed.)
From 1981 to 2091 there are 110 years. If you want to learn your age in 2091 (born in 1981) your age is 110.
Let's see what will be your age if you born +1 or -1 from that date.