If you use square bricks with a side length of 3 decimeters to pave the floor, you need 96 pieces; if you use square bricks with a side length of 2 decimeters instead, how many pieces are needed?
用边长3分米的方砖铺地，需要96块；如果改用边长2分米的方砖铺地，需要多少块？
<gadget id="calculator">3 * 3 * 96</gadget>
<output>864</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">864 / 4</gadget>
<output>216</output>

<result>216</result>