The floor of a conference room is 9 meters long and 6 meters wide, and the floor is paved with floor tiles with an area of 9 square decimeters. How many such floor tiles are needed?
一间会议室的地面长9米，宽6米，用面积是9平方分米的地板砖铺地，需要这样的地板砖多少块？
<gadget id="calculator">100 / 9</gadget>
<output>100/9 = around 11.111111</output>

<gadget id="calculator">9 * 6 * (100/9)</gadget>
<output>600</output>

<result>600</result>