To solve this question we have to make deduct these 2 years. 2105 minus 1967 will give the answer.
You are 138 years old.
(1656 months are passed.)
From 1967 to 2105 there are 138 years. If you want to learn your age in 2105 (born in 1967) your age is 138.
Let's see what will be your age if you born +1 or -1 from that date.