How many apples can you put in an empty box?

Can you solve this riddle?

Fun Fact: Did you know that apple seeds contain cyanide? Don’t worry, though—eating an apple occasionally, even if you accidentally swallow a few seeds, is perfectly safe. The human body is capable of processing small amounts of cyanide without any significant harm.

Scroll down to see the correct answer to the riddle.

Let´s go!

SEE THE CORRECT ANSWER BELOW:

One. After that it´s not empty anymore.