To solve this question we have to make deduct these 2 years. 2113 minus 1987 will give the answer.
You are 126 years old.
(1512 months are passed.)
From 1987 to 2113 there are 126 years. If you want to learn your age in 2113 (born in 1987) your age is 126.
Let's see what will be your age if you born +1 or -1 from that date.