To solve this question we have to make deduct these 2 years. 2118 minus 1981 will give the answer.
You are 137 years old.
(1644 months are passed.)
From 1981 to 2118 there are 137 years. If you want to learn your age in 2118 (born in 1981) your age is 137.
Let's see what will be your age if you born +1 or -1 from that date.