car drives from place A to place B. It departs from place A at 8:10 in the morning. At 1:40 pm that day, the car has traveled 55% of the journey. How many hours will it take for this car to reach place B?
一辆汽车从甲地开往乙地，早上8：10从甲地出发，当天下午1：40时汽车已经行了全程的55%，这辆汽车还要行驶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>