To solve this question we have to make deduct these 2 years. 2119 minus 1959 will give the answer.
You are 160 years old.
(1920 months are passed.)
From 1959 to 2119 there are 160 years. If you want to learn your age in 2119 (born in 1959) your age is 160.
Let's see what will be your age if you born +1 or -1 from that date.