Dewey: "Three minus four is..."
Summer: "Negative one."
Dewey: "That's right. And six times a billion is..."
Marco (James Hosey): "Six billion?"
Dewey: "Nailed it. And 54 is 45 more than... What is the answer, Marta?"
Marta: "Nine."
Dewey: "No, it's eight."
Marta: ""No, it's nine."
Dewey: "Yes, I was testing you, it's nine. And that's a magic number."