There is a conference room in the school, which is 15 meters long and 6 meters wide. To lay square floor tiles with a side length of 3 decimeters on the floor of the conference room, how many such floor tiles are needed?
学校有一个会议室，长15米，宽6米，要在会议室的地面上铺边长为3分米的正方形地砖，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">6 / (9/100)</gadget>
<output>200/3 = around 66.666667</output>

<gadget id="calculator">15 * (200/3)</gadget>
<output>1_000</output>

<result>1_000</result>