A roughly parallelogram-shaped vegetable field has a base of 24m and a height of 15m. A total of 1800kg of vegetables have been harvested this year. How many kilograms of vegetables are harvested on average per square meter? (can be calculated with a calculator)
一块近似平行四边形的菜地，底是24m，高是15m，今年一共收获了1800kg蔬菜，平均每平方米收获多少千克蔬菜？(可用计算器计算)
<gadget id="calculator">24 * 15</gadget>
<output>360</output>

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

<result>5</result>