A Certain Number Is Evil

"I'm willing to exchange two dollars for a piece of bitten bread," Wang Cui shouted while holding a sign. This is definitely not because Wang Cui is a pervert or has any hobbies, but because of the requirements in his grandfather's will. Yes, a will. Three years ago, the old man left it on his deathbed, saying that the contents of his will would be revealed today. Now that the secret of the will is revealed, Wang Cui is also full of questions. What kind of will is this? Grandpa must have a reason for doing this, right? There's no way it's just to make your grandson look bad, right? Right?