To solve this question we have to make deduct these 2 years. 2117 minus 1962 will give the answer.
You are 155 years old.
(1860 months are passed.)
From 1962 to 2117 there are 155 years. If you want to learn your age in 2117 (born in 1962) your age is 155.
Let's see what will be your age if you born +1 or -1 from that date.