To solve this question we have to make deduct these 2 years. 2120 minus 1984 will give the answer.
You are 136 years old.
(1632 months are passed.)
From 1984 to 2120 there are 136 years. If you want to learn your age in 2120 (born in 1984) your age is 136.
Let's see what will be your age if you born +1 or -1 from that date.