To solve this question we have to make deduct these 2 years. 2117 minus 1998 will give the answer.
You are 119 years old.
(1428 months are passed.)
From 1998 to 2117 there are 119 years. If you want to learn your age in 2117 (born in 1998) your age is 119.
Let's see what will be your age if you born +1 or -1 from that date.