To solve this question we have to make deduct these 2 years. 2109 minus 1975 will give the answer.
You are 134 years old.
(1608 months are passed.)
From 1975 to 2109 there are 134 years. If you want to learn your age in 2109 (born in 1975) your age is 134.
Let's see what will be your age if you born +1 or -1 from that date.