Li Gang’s family has a nearly conical wheat pile. The ground circumference is 6.28 meters and the height is 0.9 meters. Each cubic meter of wheat weighs about 740 kilograms. How many kilograms does this pile of wheat weigh?
李刚家有一个近似圆锥形的小麦堆，测底地面周长是6.28米，高是0.9米，每立方小麦约重740千克，这堆小麦约重多少千克？
<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">(1/3) * 3.14 * 1 * 0.9</gadget>
<output>0.942</output>

<gadget id="calculator">0.942 * 740</gadget>
<output>697.08</output>

<result>697.08</result>