A conical pile of wheat has a circumference of 6.28 meters and a height of 0.5 meters. If each cubic meter of wheat weighs 750 kilograms, how many kilograms does the pile of wheat weigh? (keep one decimal place)
一个圆锥形小麦堆，底面周长是6.28米，高是0.5米，如果每立方米小麦重750千克，这堆小麦重多少千克？(保留一位小数)
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">750 * (1/3) * 3.14 * 1 * 0.5</gadget>
<output>392.5</output>

<result>392.5</result>