For a highway, it takes 8 days for the Sunshine engineering team to complete the repair, and 12 days for the Chunlei engineering team. If two engineering teams work together for one day, how much of this road can be completed?
一条公路，阳光工程队要8天修完，春雷工程队要12天修完．如果两个工程队合作一天，能修完这条公路的几分之几？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">(1/8) + (1/12)</gadget>
<output>5/24 = around 0.208333</output>

<result>5/24 = around 0.208333</result>