It takes 5 hours for a tractor to plow a 1 hectare of land, how many hectares of land is plowed per hour on average?
拖拉机耕一块1公顷的地用了5小时，平均每小时耕地多少公顷？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>