rectangular vegetable field is 80 decimeters long and 30 decimeters wide. A total of 24,000 kilograms of leeks are harvested in this vegetable field. On average, how many kilograms of leeks are harvested per square decimeter?
一块长方形菜地，长是80分米，宽是30分米，这块菜地一共收获韭菜24000千克，平均每平方分米收获韭菜多少千克？
<gadget id="calculator">80 * 30</gadget>
<output>2_400</output>

<gadget id="calculator">24_000 / 2_400</gadget>
<output>10</output>

<result>10</result>