To solve this question we have to make deduct these 2 years. 2120 minus 1966 will give the answer.
You are 154 years old.
(1848 months are passed.)
From 1966 to 2120 there are 154 years. If you want to learn your age in 2120 (born in 1966) your age is 154.
Let's see what will be your age if you born +1 or -1 from that date.