Kimberly Printing Factory produces a batch of wall calendars, and plans to produce 250 copies per day. The task can be completed in 20 days, and the task is completed in 16 days. In this way, what percentage of the daily plan is completed on average every day?
金百利印刷厂生产一批挂历，计划每天生产250本，20天可以完成任务，结果16天就完成了任务．这样平均每天完成了日计划的百分之几？
<gadget id="calculator">20 / 16</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">250 * (5/4)</gadget>
<output>625/2 = around 312.5</output>

<gadget id="calculator">(625/2) / 250</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>