To solve this question we have to make deduct these 2 years. 2118 minus 1980 will give the answer.
You are 138 years old.
(1656 months are passed.)
From 1980 to 2118 there are 138 years. If you want to learn your age in 2118 (born in 1980) your age is 138.
Let's see what will be your age if you born +1 or -1 from that date.