A vegetable field is similar to a parallelogram with a base of 24 meters and a height of 15 meters. A total of 1,800 kilograms of vegetables were harvested last year. How many kilograms of vegetables are harvested on average per square meter?
一块近似于平行四边形的菜地，底是24米，高是15米．去年一共收获了1800千克蔬菜．平均每平方米收获多少千克蔬菜？
<gadget id="calculator">24 * 15</gadget>
<output>360</output>

<gadget id="calculator">1_800 / 360</gadget>
<output>5</output>

<result>5</result>