To solve this question we have to make deduct these 2 years. 2089 minus 1954 will give the answer.
You are 135 years old.
(1620 months are passed.)
From 1954 to 2089 there are 135 years. If you want to learn your age in 2089 (born in 1954) your age is 135.
Let's see what will be your age if you born +1 or -1 from that date.