conical sand pile covers an area of 20 square meters, is 1.8 meters high, and weighs 1.5 tons per cubic meter of sand. If a truck with a load of 3 tons is used to transport the sand, how many times can the pile of sand be transported?
一个圆锥形沙堆，这的占地面积是20平方米，高1.8米，每立方米沙重1.5吨，如果用载重3吨的卡车来运，多少次能将这堆沙运完？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 20 * 1.8 * 1.5</gadget>
<output>18</output>

<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<result>6</result>