Happy Around! has been formed at last! 
It seems everything is going smoothly for their DJ activities... but suddenly the final exams stand in Rinku, Muni, and Rei's path.
To get them out of this crisis, Maho cooks curry...?!
So you use this formula here.
...لذا تستعملين هذه المعادلة هنا
Hier musst du die diese Formel benutzen.
Por eso, aquí se usa esta fórmula,
Aquí usas esta fórmula.
Donc là,
si je résous correctement l’équation,
E quindi, qui va usata questa formula.
Então, se você usar esta fórmula aqui...
Смотри, здесь надо
применить эту формулу.