四よん百ひゃくyonhyaku400Breakdown of yonhyaku四よんyonfour百ひゃくhyaku100Usages of yonhyakuElon.io is an online learning platformWe have hundreds of Japanese lessons and thousands of exercises.Start learning Japanese nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.