To solve this question we have to make deduct these 2 years. 2115 minus 1971 will give the answer.
You are 144 years old.
(1728 months are passed.)
From 1971 to 2115 there are 144 years. If you want to learn your age in 2115 (born in 1971) your age is 144.
Let's see what will be your age if you born +1 or -1 from that date.