To solve this question we have to make deduct these 2 years. 2089 minus 1973 will give the answer.
You are 116 years old.
(1392 months are passed.)
From 1973 to 2089 there are 116 years. If you want to learn your age in 2089 (born in 1973) your age is 116.
Let's see what will be your age if you born +1 or -1 from that date.