Two cars, A and B, leave opposite places A and B at the same time, and meet each other in 8 hours. When they meet, car A has traveled the whole distance (3/5), how many hours will it take for car B to complete the journey?
甲、乙两车同时从A、B两地相对开出，8小时相遇，相遇时，甲车恰好行了全程的(3/5)，乙车行完全程需要多少小时？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 8</gadget>
<output>1/20 = around 0.05</output>

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

<result>20</result>