A conical wheat pile has a base diameter of 6m and a height of 1.2m, and the weight of wheat per cubic meter is 1.2 tons. How many tons does this pile of wheat weigh?
一个圆锥形的小麦堆，底面直径6m，高1.2m，每立方米小麦重1.2吨．这堆小麦重多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 1.2</gadget>
<output>11.304</output>

<gadget id="calculator">11.304 * 1.2</gadget>
<output>13.5648</output>

<result>13.5648</result>