A passenger car and a truck are traveling opposite each other from places A and B at the same time. The passenger car travels an average of 82 kilometers per hour, and the truck travels 92 kilometers per hour. They meet each other after 4 hours. How many miles are the two cars apart?
一辆客车和一辆货车同时从甲、乙两地相对而行．客车平均每小时行驶82千米，货车每小时行驶92千米，4小时后相遇．两车相距多少千米？
<gadget id="calculator">82 + 92</gadget>
<output>174</output>

<gadget id="calculator">174 * 4</gadget>
<output>696</output>

<result>696</result>