To solve this question we have to make deduct these 2 years. 2104 minus 1969 will give the answer.
You are 135 years old.
(1620 months are passed.)
From 1969 to 2104 there are 135 years. If you want to learn your age in 2104 (born in 1969) your age is 135.
Let's see what will be your age if you born +1 or -1 from that date.