To solve this question we have to make deduct these 2 years. 2101 minus 1958 will give the answer.
You are 143 years old.
(1716 months are passed.)
From 1958 to 2101 there are 143 years. If you want to learn your age in 2101 (born in 1958) your age is 143.
Let's see what will be your age if you born +1 or -1 from that date.