11. Find the number of pebbles

A roly-poly toy in the form of a cone surmounted on a hemisphere is filled with pebbles. The base radius of the cone is 4 \(cm\), and the height of the conical part is \(7.2\) \(cm\). If each pebble inside the toy occupies 0.3 \(cm^3\) space, find the number of pebbles inside the toy.

 

Answer:

 

The number of pebbles \(=\) .

 

[Note: Enter the possible number of pebbles as a whole number.]