A road can be repaired by A in 24 days and by B in 30 days. Team A will practice for 6 days first, and the rest will be completed by teams of Team A and Team B. How many days can it be completed?
一条公路，甲单独修需24天完成，乙单独修需30天完成．甲先修6天，剩下的由甲乙两队合修完成，几天可以修完？
<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(1/24) * 6</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">(1/24) + (1/30)</gadget>
<output>3/40 = around 0.075</output>

<gadget id="calculator">(3/4) / (3/40)</gadget>
<output>10</output>

<result>10</result>