Plant corn in an experimental field that is approximately parallelogram. Its height is 48 meters and its base is 60 meters. If 3 kilograms of corn are harvested per square meter, how many kilograms of corn can be harvested in this field?
在一块近似平行四边形的实验田里种玉米，它的高是48米，底是60米，如果每平方米收玉米3千克，这块地可以收玉米多少千克？
<gadget id="calculator">60 * 48 * 3</gadget>
<output>8_640</output>

<result>8_640</result>