It takes 12 days for Team A to repair a road alone, and 15 days for Team B to repair it alone. After 5 days for Team A and Team B to repair it together, Team A will repair the rest alone. How many days will it take to complete the repair?
修一条公路，甲队单独修需12天，乙队单独修需15天，甲、乙两队合修5天后，剩下的由甲队单独修，需几天修完？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/12) + (1/15)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">(3/20) * 5</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / (1/12)</gadget>
<output>3</output>

<result>3</result>