While continuing to use the hot air balloon to search for the oil, it's decided that Ishigami Village needs to take up agriculture to prevent future food shortages, as well as to produce preserved food for their upcoming sea voyage.
The bread that was stocked on 
ships during the Age of Discovery
الخبز الذي خُزّن في السفن في عصر الاكتشاف
Das Brot, das sie im Zeitalter
der Entdeckungen an Bord hatten,
El pan en la Era de los Descubrimientos
El pan en la Era de los Descubrimientos
Le pain des bateaux
à l’ère des grandes explorations
Il pane stipato a bordo delle navi 
durante l'Era delle Esplorazioni
O pão que foi estocado nos navios 
durante a Era das Descobertas
Хлеб, которым набивали
трюмы в эпоху открытий,