To solve this question we have to make deduct these 2 years. 2097 minus 1977 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1977 to 2097 there are 120 years. If you want to learn your age in 2097 (born in 1977) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.