אֵ֣ת ׀ שְׁתֵּ֣י הָעֲגָלֹ֗ת וְאֵת֙ אַרְבַּ֣עַת הַבָּקָ֔ר נָתַ֖ן לִבְנֵ֣י גֵרְשׁ֑וֹן כְּפִ֖י עֲבֹדָתָֽם׃
Two wagons and four oxen he gave unto the sons of Gershon, according to their service.
Targum Jonathan on Numbers
Two wagons and four oxen he gave to the sons of Gershon, according to the amount of their service,