To solve this question we have to make deduct these 2 years. 2103 minus 1987 will give the answer.
You are 116 years old.
(1392 months are passed.)
From 1987 to 2103 there are 116 years. If you want to learn your age in 2103 (born in 1987) your age is 116.
Let's see what will be your age if you born +1 or -1 from that date.