To solve this question we have to make deduct these 2 years. 2084 minus 1964 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1964 to 2084 there are 120 years. If you want to learn your age in 2084 (born in 1964) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.