A conical rice pile has a base radius of 3 meters and a height of 2 meters. If 1.2 cubic meters of rice weighs 1 ton, how many tons does this pile of rice weigh?
一个圆锥形的稻谷堆，底面半径3米，高2米．如果1.2立方米的稻谷重1吨，那么这堆稻谷重多少吨？
<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">(1/3) * 3.14 * 9 * 2</gadget>
<output>18.84</output>

<gadget id="calculator">18.84 / 1.2</gadget>
<output>15.7</output>

<result>15.7</result>