To solve this question we have to make deduct these 2 years. 2099 minus 1957 will give the answer.
You are 142 years old.
(1704 months are passed.)
From 1957 to 2099 there are 142 years. If you want to learn your age in 2099 (born in 1957) your age is 142.
Let's see what will be your age if you born +1 or -1 from that date.