To solve this question we have to make deduct these 2 years. 2105 minus 1964 will give the answer.
You are 141 years old.
(1692 months are passed.)
From 1964 to 2105 there are 141 years. If you want to learn your age in 2105 (born in 1964) your age is 141.
Let's see what will be your age if you born +1 or -1 from that date.