A conical sand pile has a base circumference of 6.28 meters and a height of 0.6 meters. If each cubic meter of sand weighs 0.6 tons, how many tons does this pile of sand have?
一个圆锥形沙堆，底面周长是6.28米，高是0.6米．如果每立方米沙重0.6吨，这堆沙共有多少吨？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">6.28 / 6.28</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 0.6 * 0.6</gadget>
<output>0.3768</output>

<result>0.3768</result>