To solve this question we have to make deduct these 2 years. 2073 minus 1953 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1953 to 2073 there are 120 years. If you want to learn your age in 2073 (born in 1953) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.