A conical wheat pile has a base circumference of 15.7 meters and a height of 1.2 meters. If a cubic meter of wheat weighs about 700 kilograms, how many kilograms does this pile of wheat weigh?
一个圆锥形麦堆，量得底面周长是15.7米，高是1.2米．如果每立方米小麦约重700千克，那么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">15.7 / 3.14 / 2</gadget>
<output>2.5</output>

<gadget id="calculator">2.5 ** 2</gadget>
<output>6.25</output>

<gadget id="calculator">(1/3) * 3.14 * 6.25 * 1.2 * 700</gadget>
<output>5_495</output>

<result>5_495</result>