To solve this question we have to make deduct these 2 years. 2091 minus 1974 will give the answer.
You are 117 years old.
(1404 months are passed.)
From 1974 to 2091 there are 117 years. If you want to learn your age in 2091 (born in 1974) your age is 117.
Let's see what will be your age if you born +1 or -1 from that date.