triangular wheat field has a base of 80 meters and a height of 50 meters. A total of 2,840 kilograms of wheat is harvested. On average, how many kilograms of wheat are harvested per square meter?
一块三角形的麦田，底是80米，高是50米，共收小麦2840千克，平均每平方米收小麦几千克？
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">80 * 25</gadget>
<output>2_000</output>

<gadget id="calculator">2_840 / 2_000</gadget>
<output>71/50 = around 1.42</output>

<result>71/50 = around 1.42</result>