The bicycle factory plans to produce 2,000 bicycles in 25 days, but the task is completed 5 days ahead of schedule, and the work efficiency has been greatly improved.
自行车厂计划25天生产自行车2000辆，结果提前5天完成任务，工作效率提高了多少．
<gadget id="calculator">25 - 5</gadget>
<output>20</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">(1/20) - (1/25)</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">(1/100) / (1/25)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>