To solve this question we have to make deduct these 2 years. 2119 minus 1974 will give the answer.
You are 145 years old.
(1740 months are passed.)
From 1974 to 2119 there are 145 years. If you want to learn your age in 2119 (born in 1974) your age is 145.
Let's see what will be your age if you born +1 or -1 from that date.