Kanon's Riddle: 112 coins

[prof]

Aaaaaahh, sorry, I messed up! if only I'd taken science class more seriously!
What do you mean? I don't get it.



You! What kind of problem do you think you're giving Ange?! Can't you put a little more thought into your puzzles?!
You did give me permission to show her the hardest one I've got.
That's right. You said it yourself. That's why we got a puzzle that was too ahrd for me.
Nngghhh! Sorry, Ange...