Hesabu 4 : 23 Numbers chapter 4 verse 23

tangu waliopata umri wa miaka thelathini na zaidi, hata umri wa miaka hamsini utawahesabu; wote watakaoingia kutumika, ili kufanya kazi katika hema ya kukutania.
soma Mlango wa 4

from thirty years old and upward until fifty years old shall you number them; all who enter in to wait on the service, to do the work in the Tent of Meeting.