To solve this question we have to make deduct these 2 years. 2101 minus 1986 will give the answer.
You are 115 years old.
(1380 months are passed.)
From 1986 to 2101 there are 115 years. If you want to learn your age in 2101 (born in 1986) your age is 115.
Let's see what will be your age if you born +1 or -1 from that date.