To solve this question we have to make deduct these 2 years. 2104 minus 1959 will give the answer.
You are 145 years old.
(1740 months are passed.)
From 1959 to 2104 there are 145 years. If you want to learn your age in 2104 (born in 1959) your age is 145.
Let's see what will be your age if you born +1 or -1 from that date.