To solve this question we have to make deduct these 2 years. 2110 minus 1970 will give the answer.
You are 140 years old.
(1680 months are passed.)
From 1970 to 2110 there are 140 years. If you want to learn your age in 2110 (born in 1970) your age is 140.
Let's see what will be your age if you born +1 or -1 from that date.