To solve this question we have to make deduct these 2 years. 2104 minus 1957 will give the answer.
You are 147 years old.
(1764 months are passed.)
From 1957 to 2104 there are 147 years. If you want to learn your age in 2104 (born in 1957) your age is 147.
Let's see what will be your age if you born +1 or -1 from that date.