To solve this question we have to make deduct these 2 years. 2107 minus 1978 will give the answer.
You are 129 years old.
(1548 months are passed.)
From 1978 to 2107 there are 129 years. If you want to learn your age in 2107 (born in 1978) your age is 129.
Let's see what will be your age if you born +1 or -1 from that date.