To solve this question we have to make deduct these 2 years. 2103 minus 1988 will give the answer.
You are 115 years old.
(1380 months are passed.)
From 1988 to 2103 there are 115 years. If you want to learn your age in 2103 (born in 1988) your age is 115.
Let's see what will be your age if you born +1 or -1 from that date.