To solve this question we have to make deduct these 2 years. 2101 minus 1964 will give the answer.
You are 137 years old.
(1644 months are passed.)
From 1964 to 2101 there are 137 years. If you want to learn your age in 2101 (born in 1964) your age is 137.
Let's see what will be your age if you born +1 or -1 from that date.