To solve this question we have to make deduct these 2 years. 2107 minus 1987 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1987 to 2107 there are 120 years. If you want to learn your age in 2107 (born in 1987) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.