A cylindrical grain hoard has a bottom circumference of 9.42 meters and a height of 4 meters. Each cubic meter of wheat weighs about 650 kilograms. How many kilograms of wheat can this grain hoard hold?
一个圆柱形粮囤，量的底面周长是9.42米，高是4米，每立方米小麦约重650千克，这个粮囤大约能装小麦多少千克？
<gadget id="calculator">9.42 / 3.14 / 2</gadget>
<output>1.5</output>

<gadget id="calculator">1.5 ** 2</gadget>
<output>2.25</output>

<gadget id="calculator">3.14 * 2.25 * 4 * 650</gadget>
<output>18_369</output>

<result>18_369</result>