A car travels 123 kilometers in 1.5 hours. According to this calculation, the distance from A to B is 287 kilometers. How many hours will it take to drive? (Solve with ratio)
一辆汽车1.5小时行驶了123千米，照这样计算，从甲地到乙地相距287千米，要行驶多少小时？(用比例解)
<gadget id="calculator">123 / 1.5</gadget>
<output>82</output>

<gadget id="calculator">287 / 82</gadget>
<output>7/2 = around 3.5</output>

<result>7/2 = around 3.5</result>