After improving the technology, the work efficiency of the master will increase by 25%, and the time to complete the project will be shortened from the original 10 hours to how many hours.
改进技术后，师傅的工作效率提高25%，完成工程的时间将由原来的10小时缩短到多少小时．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

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

<gadget id="calculator">10 * (4/5)</gadget>
<output>8</output>

<result>8</result>