parallelogram wheat field has a base of 220 meters and a height of 50 meters. A total of 9900 kilograms of wheat is harvested. How many kilograms of wheat are harvested on average per square meter?
一块平行四边形麦田，底为220米，高是50米，共收小麦9900千克，平均每平方米收小麦多少千克？
<gadget id="calculator">220 * 50</gadget>
<output>11_000</output>

<gadget id="calculator">9_900 / 11_000</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>