project can be completed by team A for 5 hours and then by team B for 3 hours, or by team B for 9 hours and then by team A for 3 hours. If Team A works for 1 hour and then Team B continues, how many hours will it take to complete the work?
一项工程甲队干5小时，再由乙队干3小时可完，或者由乙队干9小时，再由甲队干3小时也可完．如果甲队先干1小时再由乙队接着做，还要几小时完工？
<gadget id="calculator">3 / 3</gadget>
<output>1</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

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

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">9 + 9</gadget>
<output>18</output>

<gadget id="calculator">1 / 18</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">(5/6) / (1/18)</gadget>
<output>15</output>

<result>15</result>