It takes 10 days for team A to repair a section of road alone, and 12 days for team B to repair it alone. By how many percent is the work efficiency of team A higher than that of team B?
一段公路，甲队单独修完需要10天，乙队单独修完需要12天，甲队的工作效率比乙队的高百分之几？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/10) - (1/12)</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">(1/60) / (1/12)</gadget>
<output>1/5 = around 0.2</output>

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