A car can travel 52 kilometers per hour, and the speed of "Harmony" on the Beijing-Shanghai high-speed railway is 6 times that of this car. What is the speed of "Harmony" on the Beijing-Shanghai high-speed railway? ?
一辆汽车每小时可以行驶52千米，而京沪高铁上行驶的"和谐号"的时速是这辆汽车的6倍，"和谐号"在京沪高铁上行驶的速度是多少千米/时？
<gadget id="calculator">52 * 6</gadget>
<output>312</output>

<result>312</result>