Rudy is officially Eris's tutor, but she doesn't want to learn anything but magic. As Rudy struggles to get her interested in other subjects, he realizes that non-stop lessons are causing her stress and proposes a day off in the city.
Four minus three equals one large copper.
أربعة ناقص ثلاثة تساوي عملة
نحاسية واحدة
Vier minus drei, also eine Kupfermünze!
Cuatro menos tres es igual a uno.
Cuatro menos tres
 es una pieza de cobre.
4 - 3, ça fait une pièce gagnée.
Quattro meno tre fa una moneta di rame.
Quatro menos três é igual a
uma asura grande de cobre.
От четырёх отнимаем три
и получаем один медяк!