It took Uncle Li 13 hours to go to Beijing by train from a certain city. The speed of the train is 135 km/h. How many kilometers is it from this city to Beijing?
李叔叔从某城市乘火车去北京用了13小时，火车的速度是135千米/小时，该城市到北京有多少千米？
<gadget id="calculator">135 * 13</gadget>
<output>1_755</output>

<result>1_755</result>