Bede

Then, having called each one of his lord's debtors, he said to the first: How much do you owe my lord? And he said: A hundred measures of oil. And he said to him: Take your bill, and sit down quickly, and write fifty. Then he said to another: And you, how much do you owe? Who said: A hundred measures of wheat. And he said to him: Take your bill, and write eighty. A measure is a Greek amphora, containing three urns. A "corus" comprises thirty modii. …

On the Gospel of Luke ↗

Bonaventure

Sixth, with regard to the display of generous mercy to be imitated, it is added: Having therefore called together each of his lord's debtors, where literally the generosity of munificence and mercy in the steward is shown, both because he gives to many, and because he gives much, and because he gives moderately: to many, because to each of his lord's debtors, according to that which the Lord counsels above in chapter six: "Give to everyone who asks of you"; and Isaiah 32: "Blessed are you who sow beside all waters, sending forth the …

Commentary on Luke, Chapter 16 ↗