A conical pile of wheat is 3 meters high and the circumference of the bottom is 12.56 meters. If each cubic meter of wheat weighs 500 kilograms, how many kilograms does the pile of wheat weigh?
一个圆锥形麦堆，高是3米，底面周长是12.56米，如果每立方米麦子重500千克，那么这堆麦子重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3.14 * 4 * 3 * 500</gadget>
<output>6_280</output>

<result>6_280</result>