conical grain pile is 2.4 meters high, the radius of the bottom is 10 meters, and the grain weight per cubic meter is 0.75 tons. How many tons is this pile of grain?
一个圆锥形谷堆，高2.4米，底面半径是10米，每立方米谷重0.75吨，这堆谷有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">(1/3) * 3.14 * 100 * 2.4 * 0.75</gadget>
<output>188.4</output>

<result>188.4</result>