The two fields have a total of 3.64 hectares. When a tractor is used to plow the first field, 3 hectares are plowed per hour, and the plowing is completed in 0.38 hours. It took only 0.8 hours to plow the second piece of land. When plowing the second piece of land, how many hectares were plowed per hour?
两块地一共有3.64公顷，用拖拉机耕第一块地时，每小时耕地3公顷，0.38小时耕完．耕第二块地只用了0.8小时就耕完了，耕第二块地时，每小时耕地多少公顷？
<gadget id="calculator">3 * 0.38</gadget>
<output>1.14</output>

<gadget id="calculator">3.64 - 1.14</gadget>
<output>2.5</output>

<gadget id="calculator">2.5 / 0.8</gadget>
<output>3.125</output>

<result>3.125</result>