A house with 9 square decimeters of square bricks needs 96 pieces. If you use square bricks with a side length of 2 decimeters instead, how many bricks are needed (use proportion to answer)
一间房子用9平方分米的方砖铺地，需要96块．如果改用边长是2分米的方砖来铺，需要多少块(用比例解答)
<gadget id="calculator">96 * 9</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>