To build a road, Team A completed the repair in 20 days alone, and Team B completed the repair in 30 days alone. Now the two teams are working together. A rests for 2.5 days in the middle, and Team B rests for a few days. In this way, it takes 14 days to complete the repair, and Team B rests for a few days ?
修一条公路，甲队单独修20天完成，乙队单独修30天完成，现两队合修，中途甲休息2.5天，乙队休息若干天，这样14天才修完，乙队休息了几天？
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">14 - 2.5</gadget>
<output>11.5</output>

<gadget id="calculator">(1/20) * 11.5</gadget>
<output>0.575</output>

<gadget id="calculator">1 - 0.575</gadget>
<output>0.425</output>

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

<gadget id="calculator">0.425 / (1/30)</gadget>
<output>12.75</output>

<gadget id="calculator">14 - 12.75</gadget>
<output>1.25</output>

<result>1.25</result>