Cut a cube with side length 9cm into smaller cubes with side length 3cm, how many pieces can be cut?
把一个棱长是9cm的正方体切成棱是3cm的小正方体，可以切得多少个个．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<gadget id="calculator">3 * 3 * 3</gadget>
<output>27</output>

<result>27</result>