A car travels 337.5 kilometers in 4.5 hours. According to this calculation, how many hours will it take to travel 750 kilometers?
一辆汽车4.5小时行337.5千米．照这样计算，行驶750千米，需要多少小时？
<gadget id="calculator">337.5 / 4.5</gadget>
<output>75</output>

<gadget id="calculator">750 / 75</gadget>
<output>10</output>

<result>10</result>