It takes 5 hours for A to finish typing a manuscript, and B’s work efficiency is 62.5% of A’s. How many hours does it take for B to finish typing this manuscript?
打完一部书稿，甲需要5小时，乙的工作效率是甲的62.5%，乙打完这部书稿需要几小时？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">62.5 / 100</gadget>
<output>0.625</output>

<gadget id="calculator">(1/5) * 0.625</gadget>
<output>0.125</output>

<gadget id="calculator">1 / 0.125</gadget>
<output>8</output>

<result>8</result>