Under a dark and ominous sky, pierced by lightning, a man wearing a sinister hood summons a... "dragon"!  Shimoda and some of the designers were trying to fulfill the order "has not wings but flies anyway" and were checking out the dragon for inspiration. However, a harried looking Mizushima rushes onto the scene.
If you double each side, 
how many heat packs will you get?
إذا ضاعفتم كلّ جانب، كم بطانة تدفئة ستحصلون عليها؟
Wenn du jede Seite verdoppelst,
wie viele Taschenwärmer hast du?
Si duplicas cada lado,
¿cuántos sacos tienes?
Si duplicas cada lado,
¿cuántos sacos tienes?
Combien en a-t-on
en doublant chaque côté ?
Se raddoppiate ogni lato, 
quanti scaldamani ottenete?
Se você dobrar em cada lado,
quantas bolsas serão?
Если удвоить сторону, сколько грелок?