The bottom circumference of a conical pile of stones is 12.56 meters, and the height is 1.2 meters. If the stones per cubic meter are 1.8 tons, how many tons are the stones in total?
一个圆锥形石子堆的底周长是12.56米，高是1.2米，如果每立方米石子是1.8吨，这堆石子共多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.2</gadget>
<output>5.024</output>

<gadget id="calculator">5.024 * 1.8</gadget>
<output>9.0432</output>

<result>9.0432</result>