To solve this question we have to make deduct these 2 years. 2100 minus 1970 will give the answer.
You are 130 years old.
(1560 months are passed.)
From 1970 to 2100 there are 130 years. If you want to learn your age in 2100 (born in 1970) your age is 130.
Let's see what will be your age if you born +1 or -1 from that date.