To solve this question we have to make deduct these 2 years. 2111 minus 1977 will give the answer.
You are 134 years old.
(1608 months are passed.)
From 1977 to 2111 there are 134 years. If you want to learn your age in 2111 (born in 1977) your age is 134.
Let's see what will be your age if you born +1 or -1 from that date.