Print a manuscript, A alone can complete it in 5 days, and B alone can complete it in 6 days. A's work efficiency is how much B's
打印一份稿件，甲独做5天完成，乙独做6天完成．甲的工作效率是乙的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/5) / (1/6)</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>