As I was going to St Ives

As I was going to St Ives, 

I met a man with seven wives,

Each wife had seven sacks,

Each sack had seven cats,

Each cat had seven kits,

Kits, cats, sacks, wives, 

How many were going to St Ives?

Answer: One, for "I" was going to St. Ives (the others were going in the other direction).