To solve this question we have to make deduct these 2 years. 2093 minus 1978 will give the answer.
You are 115 years old.
(1380 months are passed.)
From 1978 to 2093 there are 115 years. If you want to learn your age in 2093 (born in 1978) your age is 115.
Let's see what will be your age if you born +1 or -1 from that date.