Riddle

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, and wives.

How many were going to St. Ives?

Taken from Ahmes Papyrus – A History of Mathematics

Do you know the answer? Message me if you really curious about this one…;)