To solve this question we have to make deduct these 2 years. 2092 minus 1977 will give the answer.
You are 115 years old.
(1380 months are passed.)
From 1977 to 2092 there are 115 years. If you want to learn your age in 2092 (born in 1977) your age is 115.
Let's see what will be your age if you born +1 or -1 from that date.