To solve this question we have to make deduct these 2 years. 2114 minus 1977 will give the answer.
You are 137 years old.
(1644 months are passed.)
From 1977 to 2114 there are 137 years. If you want to learn your age in 2114 (born in 1977) your age is 137.
Let's see what will be your age if you born +1 or -1 from that date.