A heap of wheat that is approximately conical has a circumference of 12.56 meters and a height of 1.5 meters. If each cubic meter of wheat weighs 800 kilograms, how many kilograms does the heap of wheat weigh?
一个近似于圆锥形的小麦堆，量得其底面周长为12.56米，高为1.5米，如果每立方米小麦重800千克，那么这堆小麦大约重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.5 * 800</gadget>
<output>5_024</output>

<result>5_024</result>