To solve this question we have to make deduct these 2 years. 2089 minus 1969 will give the answer.
You are 120 years old.
(1440 months are passed.)
From 1969 to 2089 there are 120 years. If you want to learn your age in 2089 (born in 1969) your age is 120.
Let's see what will be your age if you born +1 or -1 from that date.