A conical wheat pile has a base diameter of 4 meters and a total weight of 4.71 tons of wheat. If each cubic meter of wheat weighs 750 kilograms, what is the height of the wheat pile?
一个圆锥形的小麦堆，底面直径为4米，小麦共重4.71吨，如果每立方米小麦重750千克，问这个小麦堆的高为多少米？
<gadget id="calculator">4.71 / 0.75</gadget>
<output>6.28</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">3 / 12.56</gadget>
<output>0.238854</output>

<gadget id="calculator">6.28 * 0.238854</gadget>
<output>1.500003</output>

<result>1.500003</result>