A conical rice pile has a base radius of 1 meter and a height of 15 decimeters. Each cubic meter of rice weighs about 600 kilograms. How many kilograms does this pile of rice weigh?
一个圆锥形稻谷堆，底面半径是1米，高15分米，每立方米稻谷约重600千克，这堆稻谷重多少千克？
<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">(1/3) * 3.14 * 1 * 1.5</gadget>
<output>1.57</output>

<gadget id="calculator">600 * 1.57</gadget>
<output>942</output>

<result>942</result>