To solve this question we have to make deduct these 2 years. 2106 minus 1977 will give the answer.
You are 129 years old.
(1548 months are passed.)
From 1977 to 2106 there are 129 years. If you want to learn your age in 2106 (born in 1977) your age is 129.
Let's see what will be your age if you born +1 or -1 from that date.