To solve this question we have to make deduct these 2 years. 2115 minus 1970 will give the answer.
You are 145 years old.
(1740 months are passed.)
From 1970 to 2115 there are 145 years. If you want to learn your age in 2115 (born in 1970) your age is 145.
Let's see what will be your age if you born +1 or -1 from that date.