Part 194: Kanon's Question (Wrong Answer)

"Aaaaaaaahhh, sorry, I messed up!! If only I'd taken science class more seriously!"
"What do you mean? I don't get it."
"The number of gold coins is the atomic number for each element. Copper is 29, silver is 47, and gold is 79. I can't remember what number platinum was...!!"
"I don't have a clue what you're talking about."
"You! What kind of problem do you think you're giving Ange-chan?! 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 hard for me."
"Nnggggggggggghhhh...!! S, sorry, Ange-chan..."

Aunt Eva clenched her hands together, grimacing. It was just too hard, and I didn't have a clue...