To solve this question we have to make deduct these 2 years. 2118 minus 1971 will give the answer.
You are 147 years old.
(1764 months are passed.)
From 1971 to 2118 there are 147 years. If you want to learn your age in 2118 (born in 1971) your age is 147.
Let's see what will be your age if you born +1 or -1 from that date.