A truck and a van depart from A and B respectively at the same time and meet each other in 6 hours. The passenger car travels 70 kilometers per hour and the truck travels 90 kilometers per hour. How many kilometers are there between A and B?
一辆卡车和货车分别从甲、乙两地同时开出，6小时相遇．客车每小时行70千米，货车每小时行90千米．甲、乙两地相距多少千米？
<gadget id="calculator">70 + 90</gadget>
<output>160</output>

<gadget id="calculator">160 * 6</gadget>
<output>960</output>

<result>960</result>