וַתְּהִ֛י מֶחֱצַ֥ת הָעֵדָ֖ה מִן־הַצֹּ֑אן שְׁלֹשׁ־מֵא֥וֹת אֶ֙לֶף֙ וּשְׁלֹשִׁ֣ים אֶ֔לֶף שִׁבְעַ֥ת אֲלָפִ֖ים וַחֲמֵ֥שׁ מֵאֽוֹת׃
now the congregation’s half was three hundred thousand and thirty thousand and seven thousand and five hundred sheep,
Read midrashic interpretation of Numbers 31:43: and classical rabbinic exegesis.