jar+problem

There is water. in the water there is an island. on that island, there are 2 countries. in each country, there are 3 mountains. on each mountain, there are 4 walled kingdoms. in each walled kingdom, there are 5 villages. in each village, there are 6 houses. in each house, there are 7 rooms. in each room, there are 8 cupboards. in each cupboard, there are 9 boxes, and in each box, there are 10 jars. How many boxes are there?

answer to jar problem