To solve this question we have to make deduct these 2 years. 2111 minus 1987 will give the answer.
You are 124 years old.
(1488 months are passed.)
From 1987 to 2111 there are 124 years. If you want to learn your age in 2111 (born in 1987) your age is 124.
Let's see what will be your age if you born +1 or -1 from that date.