A tractor operator plows 300 acres of land in 6 days, and the actual completion is completed one day ahead of schedule. How much more acres are actually plowed per day than planned.
一个拖拉机手6天耕地300公亩，实际提前一天完成，实际每天比计划每天多耕多少公亩．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<gadget id="calculator">300 / 6</gadget>
<output>50</output>

<gadget id="calculator">60 - 50</gadget>
<output>10</output>

<result>10</result>