何なん階かいnankaiwhat floorBreakdown of nankai何なんnanwhat〜階かい〜kaifloor counterUsages of nankai何なん階かい に 行いきます か?nankai ni ikimasu ka?To what floor are you going?Elon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowNihon-shiki romanizationwatasi ha tyuugoku kara kimasitaHepburn romanizationwatashi wa chuugoku kara kimashita