To solve this question we have to make deduct these 2 years. 2105 minus 1999 will give the answer.
You are 106 years old.
(1272 months are passed.)
From 1999 to 2105 there are 106 years. If you want to learn your age in 2105 (born in 1999) your age is 106.
Let's see what will be your age if you born +1 or -1 from that date.