The rice harvested by Xiao Ming’s family last year was piled into a conical shape with a height of 1.5m and a diameter of 2m at the bottom. If there are 650kg of rice per cubic meter, how much does this pile of rice weigh?
小明家去年收的稻谷堆成了圆锥形，高1.5m，底面直径2m，如果每立方米稻谷中650千克，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">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">(1/3) * 3.14 * 4 * 1.5 * 650</gadget>
<output>4_082</output>

<result>4_082</result>