A company wants to produce a batch of laptop computers. It originally planned to produce 40 sets per day and complete the task in 10 days. 50 units are actually produced every day. What percentage of the actual time is the original plan?
某公司要生产一批手提电脑，原计划每天生产40台，10天完成任务．实际每天生产了50台，实际所用的时间是原计划的百分之几？
<gadget id="calculator">10 / 50 / 10</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">40 * (1/50)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>