car departs from place A to place B at 8:10 in the morning, and at 1:40 pm that day, the driver finds that he has traveled 55% of the journey. Based on this calculation, how many hours will it take for the car to reach place B?
一辆汽车早上8：10从甲地出发开往乙地，当天下午1：40时，司机发现已经行了全程的55%，照这样计算，这辆汽车还要多少小时才能到达乙地？
<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">5.5 / (11/20)</gadget>
<output>10</output>

<gadget id="calculator">10 - 5.5</gadget>
<output>4.5</output>

<result>4.5</result>