Numbers 4:35-37

New International Version

³⁵ All the men from thirty to fifty years of age^(A) who came to serve in the work at the tent of meeting, ³⁶ counted by clans, were 2,750. ³⁷ This was the total of all those in the Kohathite clans^(B) who served at the tent of meeting. Moses and Aaron counted them according to the Lord’s command through Moses.