4 tractors plow 10.5 hectares in 2.5 hours, how many hectares per tractor per hour?
4台拖拉机2.5小时耕地10.5公顷，平均每台拖拉机每小时耕地多少公顷？
<gadget id="calculator">10.5 / 2.5 / 4</gadget>
<output>1.05</output>

<result>1.05</result>