“Dari huɗu” lamba ce ta cardinal wacce ke wakiltar adadi ko lamba wanda yake daidai da 400. Ya ƙunshi lambobi “4” da “0”, tare da “0” ya mamaye matsayi na biyu, yana nuna cewa akwai. babu dubun a lamba. Hakanan za'a iya rubuta kalmar a matsayin "400" a sigar lamba.
