Kommentar zu Divrej Hajamim II 31:9

And Hezekiah demanded Since Hezekiah saw that the stacks were large, he said to himself, “Perhaps the priests and the Levites have not taken [their share] from them and have not touched them, for had they touched them, how could they be so large? Since he was puzzled, he questioned them concerning the stacks, “What is the reason for this?”