To solve this question we have to make deduct these 2 years. 2102 minus 1963 will give the answer.
You are 139 years old.
(1668 months are passed.)
From 1963 to 2102 there are 139 years. If you want to learn your age in 2102 (born in 1963) your age is 139.
Let's see what will be your age if you born +1 or -1 from that date.