A project is completed in 10 days by team A and 12 days by team B. What is the work efficiency of team A compared to that of team B?
一项工程，甲队10天做完，乙队12天做完，甲队的工效是乙队的多少．
<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>6/5 = around 1.2</output>

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