To solve this question we have to make deduct these 2 years. 2115 minus 1964 will give the answer.
You are 151 years old.
(1812 months are passed.)
From 1964 to 2115 there are 151 years. If you want to learn your age in 2115 (born in 1964) your age is 151.
Let's see what will be your age if you born +1 or -1 from that date.