Which Alice?

ALICE IN PUZZLE-LAND
"Just think what will happen if they're not rescued!" sobbed the
Mock Turtle. "However—and now comes the beautiful part of
the story! The beautiful part," the Mock Turtle continued, "is that
the next day they met another party of lost men."
"What's so beautiful about that?" asked the Gryphon.
"Well," replied the Mock Turtle, "the beautiful part is that the
nine men generously shared their provisions with the other lost
men—they divided the food equally, and the food lasted three more
days. How many men were in the second party?"
4