How old will I be?

Something very popular online is solving riddles, a type of puzzle where you must find an answer to a particular question.

Riddles are most often a good way to pass the time with family and friends, everyone loves to exercise their competitive instinct and learn something new in the meantime.

Riddles are often tricky, and it is important to try to think a little outside the box to figure them out. The next one is no exception.

How can that be?

Only a true genius can solve this tricky riddle
Here comes today’s challenge, in the picture below.

Brain Test
20 years ago, I was 20,
20 years later,
How old will I be?

Can you find the correct answer?