The motorcycle travels 39 kilometers per hour, and the speed of the Ci suspension train is 13 times that of the motorcycle. How many kilometers per hour is the speed of the Ci suspension train?
摩托车每小时行39千米，慈悬浮列车的速度是摩托车的13倍，慈悬浮列车的速度大约每小时多少千米？
<gadget id="calculator">39 * 13</gadget>
<output>507</output>

<result>507</result>