A water pump can irrigate 1.4 hectares of land in 3.5 hours. How many hectares of land can this water pump irrigate per hour?
一台抽水机3.5小时可以浇地1.4公顷，这台抽水机每小时可浇地多少公顷？
<gadget id="calculator">1.4 / 3.5</gadget>
<output>0.4</output>

<result>0.4</result>