To solve this question we have to make deduct these 2 years. 2118 minus 1974 will give the answer.
You are 144 years old.
(1728 months are passed.)
From 1974 to 2118 there are 144 years. If you want to learn your age in 2118 (born in 1974) your age is 144.
Let's see what will be your age if you born +1 or -1 from that date.