A cylindrical grain storehouse filled with rice has a bottom area of 3 square meters and a height of 0.8 meters. Each cubic meter of rice weighs about 600 kilograms. How many kilograms of rice are stored in this grain storehouse?
一个装满稻谷的圆柱形粮屯，底面面积为3平方米，高为0.8米，每立方米稻谷约重600千克，这个粮屯存放的稻谷约有多少千克？
<gadget id="calculator">3 * 0.8 * 600</gadget>
<output>1_440</output>

<result>1_440</result>