passenger car and a van respectively depart from A and B at the same time and drive toward each other. The passenger car travels 32 kilometers per hour, and the van travels 40 kilometers per hour. After the two cars arrive at B and A respectively, they return to the starting point immediately. The speed of the return is 8 kilometers per hour for the passenger car, and 5 kilometers per hour for the van. km. It is known that the distance between the two places where they meet 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、乙两地同时出发相向而行．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，立即返回出发地点，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．已知两次相遇处相距70千米，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>