Psychics fight with supernatural phenomena that cannot be explained by science. Reigen Arataka that runs the Spirits and Such Consultation office is one of those psychics... well, a fake one. His only hope is a super dull middle-schooler named Kageyama Shigeo, a.k.a. Mob. 27% towards Mob's explosion.
If you can't solve this, that'd mean
the only thing you know is addition.
إن كنتَ لا تستطيع حلّ هذه فهذا يعني
أنّ الشيء الوحيد الذي تعرفه هو الجمع
Wenn du das nicht lösen kannst,
beherrschst du wohl nur die Addition.
Si no sabes esto,
significa que apenas sabes sumar.
Si no sabes esto,
significa que apenas sabes sumar.
Comment ça ?
Il ne reste plus qu’à additionner.
Se non sai risolvere questo esercizio 
significa che sai a malapena fare le addizioni.
Se não puder resolver essa,
 é porque só sabe fazer adições.
Тогда получается,
что ты только сложение знаешь.