tractors cultivate 16,000 square meters of land in 5 hours, how many square meters per hour on average?
4台拖拉机5小时耕地16000平方米，平均每台每小时耕地多少平方米？
<gadget id="calculator">16_000 / 5 / 4</gadget>
<output>800</output>

<result>800</result>