C801 Picking up(4)

What did Bai Chengcheng say wrong? In order to reject Goriot, he casually said, "Your little soulstone is not enough for me to use for a day."

The one who was wrong was not him revealing his consumption, but how did he know how many soulstones Goriot had? One must know that ever since he entered this spaceship, he had stayed in two cabins. One was Goriot's studio, and the other was the library