To solve this question we have to make deduct these 2 years. 2091 minus 1977 will give the answer.
You are 114 years old.
(1368 months are passed.)
From 1977 to 2091 there are 114 years. If you want to learn your age in 2091 (born in 1977) your age is 114.
Let's see what will be your age if you born +1 or -1 from that date.