A train travels from city A to city B. It travels 360 km in the first 3 hours. At this speed, the train will travel for 2 hours to reach city B. How many kilometers away is the train from city B?
一列火车从A城开往B城，前3小时行驶了360km，用这样的速度，火车还要行驶2小时才能到达B城，这时火车离B城还有多少千米？
<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<gadget id="calculator">120 * 2</gadget>
<output>240</output>

<result>240</result>