To solve this question we have to make deduct these 2 years. 2104 minus 1961 will give the answer.
You are 143 years old.
(1716 months are passed.)
From 1961 to 2104 there are 143 years. If you want to learn your age in 2104 (born in 1961) your age is 143.
Let's see what will be your age if you born +1 or -1 from that date.