A car drives from place A to place B. It has traveled 180 kilometers in the first 3 hours. According to this calculation, it can be reached in 5 hours. How many kilometers are there between places A and B? (Solve with ratio)
一辆汽车从甲地开往乙地，前3小时走了180千米，照这样计算，走5小时可以到达，甲、乙两地相距多少千米？(用比例解决)
<gadget id="calculator">180 / 3</gadget>
<output>60</output>

<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<result>300</result>