To solve this question we have to make deduct these 2 years. 2105 minus 1979 will give the answer.
You are 126 years old.
(1512 months are passed.)
From 1979 to 2105 there are 126 years. If you want to learn your age in 2105 (born in 1979) your age is 126.
Let's see what will be your age if you born +1 or -1 from that date.