A conference room is 15 meters long and 6 meters wide. How many square tiles are needed to pave the floor with an area of 9 square decimeters?
一个会议室的长是15米，宽是6米．用面积是9平方分米的正方形瓷砖铺地，需要这样的瓷砖多少块？
<gadget id="calculator">15 * 10</gadget>
<output>150</output>

<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">60 / 9</gadget>
<output>20/3 = around 6.666667</output>

<gadget id="calculator">150 * (20/3)</gadget>
<output>1_000</output>

<result>1_000</result>