To solve this question we have to make deduct these 2 years. 2098 minus 1990 will give the answer.
You are 108 years old.
(1296 months are passed.)
From 1990 to 2098 there are 108 years. If you want to learn your age in 2098 (born in 1990) your age is 108.
Let's see what will be your age if you born +1 or -1 from that date.