To solve this question we have to make deduct these 2 years. 2103 minus 1983 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1983 to 2103 there are 120 years. If you want to learn your age in 2103 (born in 1983) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.