A car travels 240 kilometers from place A to place B in 4 hours. At the same speed, it takes 9 hours to reach place B. How many kilometers are there between A and B?
一辆汽车从甲地开往乙地，4小时行了240千米，用同样的速度，一共行了9小时到达乙，甲乙两相距多少千米？
<gadget id="calculator">240 / 4</gadget>
<output>60</output>

<gadget id="calculator">60 * 9</gadget>
<output>540</output>

<result>540</result>