To solve this question we have to make deduct these 2 years. 2090 minus 1955 will give the answer.
You are 135 years old.
(1620 months are passed.)
From 1955 to 2090 there are 135 years. If you want to learn your age in 2090 (born in 1955) your age is 135.
Let's see what will be your age if you born +1 or -1 from that date.