A cylindrical grain storehouse with a bottom diameter of 4 meters and a height of 3 meters. After being filled with wheat, a cone with a height of 0.6 meters is piled on top of the storehouse to the maximum extent. Each cubic meter of wheat weighs 750 kilograms, and the yield of wheat flour is 85%, how many kilograms of flour can be produced from this pile of wheat.
一个圆柱体粮囤，底面直径4米，高3米，装满小麦后，又在囤上面最大限度地堆成一个0.6米高的圆锥．每立方米小麦重750千克，小麦磨成面粉的出粉率是85%，这堆小麦可出面粉多少千克．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4 * 3</gadget>
<output>37.68</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 0.6</gadget>
<output>2.512</output>

<gadget id="calculator">37.68 + 2.512</gadget>
<output>40.192</output>

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">40.192 * 750 * (17/20)</gadget>
<output>25_622.4</output>

<result>25_622.4</result>