St. Ives

from an early nineteenth century Mother Goose Rhyme

As I was going to St. Ives,
I met a man with seven wives,
Every wife had seven sacks,
Every sack had seven cats,
Every cat had seven kits,
Kits, cats, sacks, wives,
How many were going to St. Ives?


The answer to this riddle can be found in
  the October 2010 Problem of the Month