To solve this question we have to make deduct these 2 years. 2097 minus 1958 will give the answer.
You are 139 years old.
(1668 months are passed.)
From 1958 to 2097 there are 139 years. If you want to learn your age in 2097 (born in 1958) your age is 139.
Let's see what will be your age if you born +1 or -1 from that date.