To solve this question we have to make deduct these 2 years. 2120 minus 1992 will give the answer.
You are 128 years old.
(1536 months are passed.)
From 1992 to 2120 there are 128 years. If you want to learn your age in 2120 (born in 1992) your age is 128.
Let's see what will be your age if you born +1 or -1 from that date.