A passenger car and a van depart from places A and B respectively and drive towards each other. The passenger car travels 32 kilometers per hour, and the van travels 40 kilometers per hour. After arriving at places B and A, the two cars immediately return to the starting point. The speed when returning, the passenger car increases by 8 kilometers per hour, and the van decreases by 5 kilometers per hour. If the distance between the two places where the two cars meet twice is 70 kilometers, how many kilometers is the distance between A and B?
一辆客车和一辆面包车分别从甲、乙两地出发相向而行，客车每小时行驶32千米，面包车每小时行驶40千米，两车分别到达乙地和甲地后，立即返回出发点，返回时的速度，客车每小时增加8千米，面包车每小时减少5千米，若两车两次相遇地点相距70千米，问甲、乙两地相距多少千米？
<gadget id="calculator">32 * 7</gadget>
<output>224</output>

<gadget id="calculator">40 * 7</gadget>
<output>280</output>

<gadget id="calculator">224 + 280</gadget>
<output>504</output>

<result>504</result>