“Well,” said his father, “and three times sixteen for the second?”
“Forty-eight,” cried Tom.--
“Put it down.”
“Five times sixteen, for the third?”
“Eighty.”--
“Down with it.”
“And seven times sixteen, for the fourth?”
“One hundred and twelve.”
“Now, cast up these numbers,” said Mr. Seymour.
“Two hundred and fifty-six feet,” cried Tom, “is the depth of the well.”