To solve this question we have to make deduct these 2 years. 2117 minus 1958 will give the answer.
You are 159 years old.
(1908 months are passed.)
From 1958 to 2117 there are 159 years. If you want to learn your age in 2117 (born in 1958) your age is 159.
Let's see what will be your age if you born +1 or -1 from that date.