To solve this question we have to make deduct these 2 years. 2118 minus 1963 will give the answer.
You are 155 years old.
(1860 months are passed.)
From 1963 to 2118 there are 155 years. If you want to learn your age in 2118 (born in 1963) your age is 155.
Let's see what will be your age if you born +1 or -1 from that date.