A passenger car travels 79 kilometers per hour from city A to city B, and the whole journey takes 7.8 hours. Find the distance from city A to city B?
一辆客车从甲城到乙城，每小时行79千米，全程用了7.8小时，求从甲城到乙城的距离？
<gadget id="calculator">79 * 7.8</gadget>
<output>616.2</output>

<result>616.2</result>