triangular vegetable plot harvests a total of 500 kilograms of vegetables. Its base is 12.5 meters and its height is 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500千克，它的底是12.5米，高是5米，平均每平方米收蔬菜多少千克？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">12.5 * (5/2)</gadget>
<output>31.25</output>

<gadget id="calculator">500 / 31.25</gadget>
<output>16</output>

<result>16</result>