The fourth planet belonged to a businessman. This man was so much occupied that he did not even raise his head at the little prince's arrival."Good morning," the little prince said to him. "Your cigarette has gone out.""Three and two make five. Five and seven make twelve. Twelve and three make fifteen. Good morning. Fifteen and seven make twenty-two. Twenty-two and six make twenty-eight. I haven't time to light it again. Twenty-six and five make thirty-one. Phew! Then that makes five-hundred-and-one-million, six-hundred-twenty-two-thousand, seven-hundred-thirty-one.""Five hundred million what?" asked the little prince."Eh? Are you still there? Five-hundred-and-one million-- I can't stop… I have so much to do! I am concerned with matters of consequence. I don't amuse myself with balderdash. Two and five make seven…""Five-hundred-and-one million what?" repeated the little prince, who never in his life had let go of a question once he had asked it.The businessman raised his head.