triangular vegetable plot harvests a total of 440 kilograms of vegetables. Its base is 12.5 meters and its height is 5.5 meters. How many kilograms of vegetables are harvested on average per square meter?
一块三角形菜地共收蔬菜440千克，它的底是12.5米，高是5.5米，平均每平方米收蔬菜多少千克？
<gadget id="calculator">5.5 / 2</gadget>
<output>2.75</output>

<gadget id="calculator">12.5 * 2.75</gadget>
<output>34.375</output>

<gadget id="calculator">440 / 34.375</gadget>
<output>12.8</output>

<result>12.8</result>