To solve this question we have to make deduct these 2 years. 2109 minus 1984 will give the answer.
You are 125 years old.
(1500 months are passed.)
From 1984 to 2109 there are 125 years. If you want to learn your age in 2109 (born in 1984) your age is 125.
Let's see what will be your age if you born +1 or -1 from that date.