Matataki convinces Umika and the others to start a school-sanctioned club to finance their rocketry endeavors. The next day, everyone in Umika's grade sets off on an overnight study camp.
It's x squared!
!الجواب هو س²
¡Es equis al cuadrado!
¡Es equis al cuadrado!
Ça fait x² !
È x al quadrato!
É x ao quadrado!
Икс в квадрате!