To solve this question we have to make deduct these 2 years. 2120 minus 1998 will give the answer.
You are 122 years old.
(1464 months are passed.)
From 1998 to 2120 there are 122 years. If you want to learn your age in 2120 (born in 1998) your age is 122.
Let's see what will be your age if you born +1 or -1 from that date.