To solve this question we have to make deduct these 2 years. 2101 minus 1977 will give the answer.
You are 124 years old.
(1488 months are passed.)
From 1977 to 2101 there are 124 years. If you want to learn your age in 2101 (born in 1977) your age is 124.
Let's see what will be your age if you born +1 or -1 from that date.