A conical pile of wheat has a measured base circumference of 6.28 meters and a height of 6 meters. Each cubic meter of wheat weighs 750 kilograms. How many kilograms does this pile of wheat weigh?
一个圆锥形的小麦堆，测得的底面周长是6.28米，高是6米，每立方小麦重750千克，这堆小麦大约重多少千克？
<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 * 6 * 750</gadget>
<output>4_710</output>

<result>4_710</result>