A cylindrical wheat pile has a bottom circumference of 12.56 meters and a height of 1.2 meters. If the weight of wheat per cubic meter is 750 kilograms, and the flour extraction rate of wheat is 75%, how many kilograms of flour can this pile of wheat grind?
一个圆柱形小麦堆，底面周长12.56米，高1.2米，如果每立方米小麦重750千克，小麦的出粉率是75%，这堆小麦大约能磨面粉多少千克？
<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4 * 1.2 * 750</gadget>
<output>11_304</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">11_304 * (3/4)</gadget>
<output>8_478</output>

<result>8_478</result>