To solve this question we have to make deduct these 2 years. 2119 minus 1980 will give the answer.
You are 139 years old.
(1668 months are passed.)
From 1980 to 2119 there are 139 years. If you want to learn your age in 2119 (born in 1980) your age is 139.
Let's see what will be your age if you born +1 or -1 from that date.