A grain hoard filled with wheat has a conical top and a cylindrical bottom. The circumference of the bottom of the cylinder is 6.28m, the height is 3m, and the height of the cone is 0.6m. If each cubic meter of wheat weighs 750kg, this hoard How much does wheat weigh in kilograms?
一个装满小麦的粮囤，上面试圆锥形，下面是圆柱形，量得圆柱的底面周长是6.28m，高是3m，圆锥的高是0.6m，如果每立方米小麦重750kg，这囤小麦重多少千克？
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

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

<gadget id="calculator">3.14 * 1</gadget>
<output>3.14</output>

<gadget id="calculator">3.14 * 3</gadget>
<output>9.42</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3.14 * 0.6 * (1/3)</gadget>
<output>0.628</output>

<gadget id="calculator">9.42 + 0.628</gadget>
<output>10.048</output>

<gadget id="calculator">750 * 10.048</gadget>
<output>7_536</output>

<result>7_536</result>