Master Zhang plans to process a batch of parts in June, which was originally scheduled to be completed in one month. In fact, on June 25 he completed the task. If calculated according to this speed, he has been processing until June 30, how much he will exceed the plan.
张师傅计划在六月份加工一批零件，原定一个月完成．实际上，在6月25日他就完成了任务．如果照这样的速度计算，他一直加工到6月30日，会超额完成计划的多少．
<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">5 / 1</gadget>
<output>5</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/25) * 5 * 1</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>