To solve this question we have to make deduct these 2 years. 2120 minus 1989 will give the answer.
You are 131 years old.
(1572 months are passed.)
From 1989 to 2120 there are 131 years. If you want to learn your age in 2120 (born in 1989) your age is 131.
Let's see what will be your age if you born +1 or -1 from that date.