sergiocerv

Monterrey ,Mexico

This is common puzzle but people are confused, so let's see who answers correctly:

 

There Is A Bus With 7 Girls Inside,
Each Girl Has 7 Bags,
Inside Each Bag, There Are 7 Big Cats,
Each Big Cat Has 7 Small Cats,
All Cats Have 4 Legs Each!
Question: How Many Legs Are There Inside The Bus?

What will be the next number in the sequence..

3,13,1113,3113,132113,?????