To solve this question we have to make deduct these 2 years. 2108 minus 1968 will give the answer.
You are 140 years old.
(1680 months are passed.)
From 1968 to 2108 there are 140 years. If you want to learn your age in 2108 (born in 1968) your age is 140.
Let's see what will be your age if you born +1 or -1 from that date.