To solve this question we have to make deduct these 2 years. 2089 minus 1970 will give the answer.
You are 119 years old.
(1428 months are passed.)
From 1970 to 2089 there are 119 years. If you want to learn your age in 2089 (born in 1970) your age is 119.
Let's see what will be your age if you born +1 or -1 from that date.