Uncle Li's wheat this year is piled up in a conical shape with a circumference of 6.28 meters and a height of 1.2 meters. If per cubic meter, each cubic meter of wheat weighs (3/4) tons, how many kilograms of wheat harvested by Uncle Li’s family this year?
李大伯家今年的小麦堆成圆锥形，量得底面周长6.28米，高1.2米．果每立方米，每立方米小麦重(3/4)吨，李大伯家今年收获小麦重多少千克？
<gadget id="calculator">6.28 / 3.14 / 2</gadget>
<output>1</output>

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

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

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(1/3) * 3.14 * 1 * 1.2 * (3/4) * 1_000</gadget>
<output>942</output>

<result>942</result>