A sidewalk is 27 meters long and 3 meters wide. How many floor tiles are needed to pave the road with floor tiles with a bottom area of 9 square decimeters?
一条人行道长27米，宽3米．用底面积是9平方分米的地砖铺路，需要这样的地砖多少块？
<gadget id="calculator">27 * 10</gadget>
<output>270</output>

<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<gadget id="calculator">30 / 9</gadget>
<output>10/3 = around 3.333333</output>

<gadget id="calculator">270 * (10/3)</gadget>
<output>900</output>

<result>900</result>