If a house is paved with square bricks with an area of 9 square decimeters, 96 bricks are needed. If square bricks with a side length of 2 decimeters are used to pave the floor, how many bricks are needed?
一间房屋，用面积为9平方分米的方砖铺地，需要96块，如果用边长为2分米的方砖铺地，需要多少块？
<gadget id="calculator">9 * 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>