sidewalk is 36 meters long and 3 meters wide. To pave the road with square floor tiles with a side length of 3 decimeters, how many such floor tiles are needed?
一条人行道长36米，宽3米．用边长是3分米的正方形地砖铺路，需要这样的地砖多少块？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(3/10) * (3/10)</gadget>
<output>9/100 = around 0.09</output>

<gadget id="calculator">3 / (9/100)</gadget>
<output>100/3 = around 33.333333</output>

<gadget id="calculator">36 * (100/3)</gadget>
<output>1_200</output>

<result>1_200</result>