To solve this question we have to make deduct these 2 years. 2118 minus 1975 will give the answer.
You are 143 years old.
(1716 months are passed.)
From 1975 to 2118 there are 143 years. If you want to learn your age in 2118 (born in 1975) your age is 143.
Let's see what will be your age if you born +1 or -1 from that date.