To solve this question we have to make deduct these 2 years. 2101 minus 1990 will give the answer.
You are 111 years old.
(1332 months are passed.)
From 1990 to 2101 there are 111 years. If you want to learn your age in 2101 (born in 1990) your age is 111.
Let's see what will be your age if you born +1 or -1 from that date.