A granary, the top is conical, the bottom is cylindrical with the same bottom as the cone, the circumference of the bottom is 6.28 meters, the height of the cylinder is 3 meters, the height of the cone is 1.5 meters, and the weight of grain per cubic meter is 200 kg. How many kilograms of grain can this granary hold?
一个粮仓，上面是圆锥形，下面是和圆锥同底的圆柱形，已知底面周长是6.28米，圆柱高3米，圆锥高1.5米，每立方米粮重200千克．这个粮仓共可以盛粮多少千克？
<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 * 1.5 * (1/3)</gadget>
<output>1.57</output>

<gadget id="calculator">9.42 + 1.57</gadget>
<output>10.99</output>

<gadget id="calculator">200 * 10.99</gadget>
<output>2_198</output>

<result>2_198</result>