conical pile of wheat is 1 meter high and the circumference of the bottom is 18.84 meters. If each cubic meter of wheat weighs 0.75 tons, how many tons does this pile of wheat weigh?
一个圆锥形小麦堆，高1米，底面周长18.84米，如果每立方米小麦重0.75吨，这堆小麦大约有多少吨？
<gadget id="calculator">2 * 3.14</gadget>
<output>6.28</output>

<gadget id="calculator">18.84 / 6.28</gadget>
<output>3</output>

<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">(1/3) * 3.14 * 9 * 1</gadget>
<output>9.42</output>

<gadget id="calculator">9.42 * 0.75</gadget>
<output>7.065</output>

<result>7.065</result>