To solve this question we have to make deduct these 2 years. 2109 minus 1958 will give the answer.
You are 151 years old.
(1812 months are passed.)
From 1958 to 2109 there are 151 years. If you want to learn your age in 2109 (born in 1958) your age is 151.
Let's see what will be your age if you born +1 or -1 from that date.