tractor cultivates 12.45 hectares of land in 5 hours, how many hectares of land is cultivated per hour on average?
一台拖拉机5小时耕地12.45公顷，平均每小时耕地多少公顷？
<gadget id="calculator">12.45 / 5</gadget>
<output>2.49</output>

<result>2.49</result>