To solve this question we have to make deduct these 2 years. 2109 minus 1959 will give the answer.
You are 150 years old.
(1800 months are passed.)
From 1959 to 2109 there are 150 years. If you want to learn your age in 2109 (born in 1959) your age is 150.
Let's see what will be your age if you born +1 or -1 from that date.