To solve this question we have to make deduct these 2 years. 2106 minus 1991 will give the answer.
You are 115 years old.
(1380 months are passed.)
From 1991 to 2106 there are 115 years. If you want to learn your age in 2106 (born in 1991) your age is 115.
Let's see what will be your age if you born +1 or -1 from that date.