To solve this question we have to make deduct these 2 years. 2105 minus 1987 will give the answer.
You are 118 years old.
(1416 months are passed.)
From 1987 to 2105 there are 118 years. If you want to learn your age in 2105 (born in 1987) your age is 118.
Let's see what will be your age if you born +1 or -1 from that date.