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.
And he succeeded in building 
the Kingdom of Science.
.ونجح في بناء مملكة العلم
Así es como formó el reino científico.
Así es como formó el reino científico.
Et puis,
E poi
Assim, ele conseguiu construir 
o Reino da Ciência.
Также он вполне успешно смог
построить Царство науки.