A conical wheat heap has a base radius of 2 meters and a height of 1.2 meters. Each cubic meter of wheat weighs 700 kilograms. How many kilograms does this pile of wheat weigh?
一个圆锥形的麦堆，底面半径2米，高1.2米，每立方米小麦重700千克．这堆小麦重多少千克？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</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 * 700</gadget>
<output>3_516.8</output>

<result>3_516.8</result>