To solve this question we have to make deduct these 2 years. 2109 minus 1987 will give the answer.
You are 122 years old.
(1464 months are passed.)
From 1987 to 2109 there are 122 years. If you want to learn your age in 2109 (born in 1987) your age is 122.
Let's see what will be your age if you born +1 or -1 from that date.