The distance between A and B is 490 kilometers, and a car travels 350 kilometers in 5 hours. According to this calculation, how many hours will it take to complete the journey?
甲乙两地间的距离是490千米，一辆汽车5小时行驶了350千米．照这样计算，行完全程需要几小时？
<gadget id="calculator">5 / 350</gadget>
<output>1/70 = around 0.014286</output>

<gadget id="calculator">(1/70) * 490</gadget>
<output>7</output>

<result>7</result>