This sounds like a messed up variant of an actual solvable old riddle that goes something like: "Imagine that that you are the captain of a ship, there are 26

This sounds like a messed up variant of an actual solvable old riddle that goes something like: "Imagine that that you are the captain of a ship, there are 26 sheep and 10 goat on board... " ... go on for about 2 minutes talking about how the ship stops in different ports and how number of respective animals change... Add another animals as well, make the listener assume that they need to keep the count in their head... "Now in the final destination all of the animal get off the ship. How old is the ship's captain?"