To solve this question we have to make deduct these 2 years. 2105 minus 1961 will give the answer.
You are 144 years old.
(1728 months are passed.)
From 1961 to 2105 there are 144 years. If you want to learn your age in 2105 (born in 1961) your age is 144.
Let's see what will be your age if you born +1 or -1 from that date.