To solve this question we have to make deduct these 2 years. 2117 minus 1997 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1997 to 2117 there are 120 years. If you want to learn your age in 2117 (born in 1997) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.