A passenger car goes back and forth between A and B cities 4 times a day, traveling a total of 856 kilometers. How many kilometers are there between cities A and B?
一辆客车每天在A、B两个城市往返4次，一共行驶856千米．A、B两个城市相距多少千米？
<gadget id="calculator">856 / 8</gadget>
<output>107</output>

<result>107</result>