A train (3/8) traveled 45 kilometers in an hour. According to this calculation, it took 6 hours to travel from city A to city B. How long is the railway between A and B?
一列火车(3/8)小时行了45千米，照这样计算，从甲城到乙城用了6小时．甲、乙两城之间的铁路长多少千米？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">45 / (3/8)</gadget>
<output>120</output>

<gadget id="calculator">120 * 6</gadget>
<output>720</output>

<result>720</result>