A conical wheat pile has a base radius of 3 meters and a height of 5 meters. Each cubic meter of wheat weighs about 750 kilograms. How many tons does this pile of wheat weigh?
一个圆锥形麦堆，底面半径是3米，高是5米，每立方米小麦约重750千克，这堆小麦大约有多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">750 / 1_000</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/3) * 3.14 * 9 * 5 * (3/4)</gadget>
<output>35.325</output>

<result>35.325</result>