To solve this question we have to make deduct these 2 years. 2091 minus 1983 will give the answer.
You are 108 years old.
(1296 months are passed.)
From 1983 to 2091 there are 108 years. If you want to learn your age in 2091 (born in 1983) your age is 108.
Let's see what will be your age if you born +1 or -1 from that date.