A project can be completed by team A alone in 8 days and by team B in 12 days. If two teams work together for one day, what percentage of the project will be completed?
一项工程，甲队单独做要8天完成，乙队单独做要12天完成．如果两队合做一天，共完成这项工程的几分之几？
<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>