Suddenly Susan, who had apparently been doing some mental arithmetic, said, "Bill, even if they all pay half a crown, which isn't very likely, that only comes to twelve-and-six. It'll be years before we collect enough to buy one truck far less a whole railway."
"I'm trying not to think of that," said Bill.
"But we must think of that," said Susan. "I wish we could sell the puppets for a large sum."
"Nobody in their senses would buy them for a large sum," said Bill.
"Oh, I would," said Susan.
Bill looked at her speculatively. "How much?" he said.
From SUSAN PULLS THE STRINGS, Chapter 8, The Empty House Next Door.