The distance between two stations A and B is 879.2 kilometers. Two hours after car A leaves, car B leaves the opposite station. Car A travels 67.6 kilometers per hour, and car B travels 56.4 kilometers per hour. After a few hours, the two cars meet ?
甲乙两站相距879.2千米，甲车开出两小时后，乙车从另一站相对开出，甲车每小时行67.6千米，乙车每小时行56.4千米，经过几小时两车相遇？
<gadget id="calculator">67.6 * 2</gadget>
<output>135.2</output>

<gadget id="calculator">879.2 - 135.2</gadget>
<output>744</output>

<gadget id="calculator">67.6 + 56.4</gadget>
<output>124</output>

<gadget id="calculator">744 / 124</gadget>
<output>6</output>

<gadget id="calculator">6 + 2</gadget>
<output>8</output>

<result>8</result>