car transports goods from place A to place B at a speed of 80km/h. It arrives at place B in 5 hours and returns immediately. When returning, the speed is 25% faster because the car is empty, but the car breaks down halfway and is stopped for maintenance for 1 hour. , Ask how many hours it took from leaving A to returning to A?
一辆汽车以80km/h的速度从甲地运送货物乙地，5小时到达乙地后马上返回，返回时由于是空车，速度加快25%，但中途汽车抛锚，停下维修了1个小时，问从离开甲地到返回甲地一共花了多少小时？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">80 * (1/4)</gadget>
<output>20</output>

<gadget id="calculator">20 + 80</gadget>
<output>100</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">80 * (1/20)</gadget>
<output>4</output>

<gadget id="calculator">4 + 1 + 5</gadget>
<output>10</output>

<result>10</result>