To solve this question we have to make deduct these 2 years. 2073 minus 1958 will give the answer.
You are 115 years old.
(1380 months are passed.)
From 1958 to 2073 there are 115 years. If you want to learn your age in 2073 (born in 1958) your age is 115.
Let's see what will be your age if you born +1 or -1 from that date.