"Five francs make a dollar," figured Dan, talking to himself. "Five goes into fifty-five eleven times. That's eleven dollars' worth of ice cream and cakes we have eaten."

"Eleven dollars?" gasped the red-haired boy.

"Yes, that's it," answered Dan ruefully, gazing at his companion in a dazed sort of way.

"But we didn't order any cakes, Dan."

"It's those round cakes that were in the basket. They were put here so we would eat them. That's a trick we didn't know anything about."

"Eleven dollars," groaned Sam. "It's highway robbery. I wish we had held up the women and——"

"Sam!"

Dan's tone was sharp.

"Don't let me hear you speak like that again."

"No; I'm to be the easy mark. I'm to be frisked eleven dollars' worth, and——"