The road between A and B is 375 kilometers long. A car travels from A to B and travels a total of 150 kilometers in the first two hours. At this speed, how many hours will it take to reach B?
甲乙两地之间的公路长375千米，一辆汽车从甲地开往乙地，前两小时一共行驶了150千米，照这样的速度，还需要几小时才能到达乙地？
<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<gadget id="calculator">375 / 75</gadget>
<output>5</output>

<gadget id="calculator">5 - 2</gadget>
<output>3</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<result>2</result>