To solve this question we have to make deduct these 2 years. 2105 minus 1991 will give the answer.
You are 114 years old.
(1368 months are passed.)
From 1991 to 2105 there are 114 years. If you want to learn your age in 2105 (born in 1991) your age is 114.
Let's see what will be your age if you born +1 or -1 from that date.