To solve this question we have to make deduct these 2 years. 2118 minus 1979 will give the answer.
You are 139 years old.
(1668 months are passed.)
From 1979 to 2118 there are 139 years. If you want to learn your age in 2118 (born in 1979) your age is 139.
Let's see what will be your age if you born +1 or -1 from that date.