Numbers 3:40-43

ASV_Strongs(i)
  40 H3068 And Jehovah H559 said H4872 unto Moses, H6485 Number H1060 all the first-born H2145 males H1121 of the children H3478 of Israel H2320 from a month H1121 old H4605 and upward, H5375 and take H4557 the number H8034 of their names.
  41 H3947 And thou shalt take H3881 the Levites H3068 for me (I am Jehovah) H1060 instead of all the first-born H1121 among the children H3478 of Israel; H929 and the cattle H3881 of the Levites H1060 instead of all the firstlings H929 among the cattle H1121 of the children H3478 of Israel:
  42 H4872 and Moses H6485 numbered, H3068 as Jehovah H6680 commanded H1060 him, all the first-born H1121 among the children H3478 of Israel.
  43 H1060 And all the first-born H2145 males H4557 according to the number H8034 of names, H2320 from a month H1121 old H4605 and upward, H6485 of those that were numbered H6242 of them, were twenty H8147 and two H505 thousand H3967 two hundred H7657 and threescore and thirteen.