A rice transplanter can transplant 3.6 hectares in 4 hours in the morning and 6 hours in the afternoon, transplanting 0.8 hectares per hour. How many hectares does this rice transplanter transplant rice per hour on average?
一台插秧机上午4小时共插秧3.6公顷，下午工作6小时，每小时插秧0.8公顷．这台插秧机平均每小时插秧多少公顷？
<gadget id="calculator">6 * 0.8</gadget>
<output>4.8</output>

<gadget id="calculator">4.8 + 3.6</gadget>
<output>8.4</output>

<gadget id="calculator">4 + 6</gadget>
<output>10</output>

<gadget id="calculator">8.4 / 10</gadget>
<output>0.84</output>

<result>0.84</result>