A tractor plows 4.96 hectares in the morning, and 0.78 hectares less in the afternoon than in the morning. How many hectares of cultivated land are there in total on this day?
一台拖拉机上午耕地4.96公顷，下午比上午少耕地0.78公顷．这一天一共耕地多少公顷？
<gadget id="calculator">4.96 - 0.78</gadget>
<output>4.18</output>

<gadget id="calculator">4.96 + 4.18</gadget>
<output>9.14</output>

<result>9.14</result>