To solve this question we have to make deduct these 2 years. 2101 minus 1951 will give the answer.
You are 150 years old.
(1800 months are passed.)
From 1951 to 2101 there are 150 years. If you want to learn your age in 2101 (born in 1951) your age is 150.
Let's see what will be your age if you born +1 or -1 from that date.