A conical pile of sand has a base diameter of 20 meters and a height of 6 meters. If this pile of sand is spread on a road with a length of 314 meters and a width of 10 meters, how high can it be spread?
一圆锥形沙堆，底面直径是20米，高是6米．如果把这堆沙铺在长是314米，宽是10米的路上，可以铺多高？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * 6</gadget>
<output>628</output>

<gadget id="calculator">314 * 10</gadget>
<output>3_140</output>

<gadget id="calculator">628 / 3_140</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>