Two cars, passenger and freight, drive toward each other from places A and B at the same time. The passenger car travels 65 kilometers per hour, and the truck travels 45 kilometers per hour. After 7 hours, the two vehicles meet. How many kilometers is the distance between A and B?
客、货两车同时从甲、乙两地相向而行，客车每小时行65千米，货车每小时行45千米，经过7小时后，两车相遇，甲乙两地之间多少千米？
<gadget id="calculator">65 + 45</gadget>
<output>110</output>

<gadget id="calculator">110 * 7</gadget>
<output>770</output>

<result>770</result>