Two engineering teams, A and B, jointly build a building. The work efficiency of team A is (5/6) that of team B. The two teams have completed the construction of this building in 10 weeks (11/12), and the rest of the work is done by team A alone. Do, how many weeks will it take to build?
甲乙两个工程队合建一座大楼，甲队的工作效率是乙队的(5/6)，两队合建10周正好完成这座大楼的(11/12)，余下的工作由甲队单独做，还要多少周才能建完？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">11 / 120</gadget>
<output>11/120 = around 0.091667</output>

<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">(11/120) - (1/20)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/6) / (1/24)</gadget>
<output>4</output>

<result>4</result>