Two cars depart from cities A and B at 8:00 a.m. and head toward each other. A car travels 55 kilometers per hour, another car travels 60 kilometers per hour, and the cars meet at 11:00 am. How many kilometers are there between A and B?
两辆汽车上午8时从A、B两城出发，相向而行．一辆汽车每小时行55千米，另一辆汽车每小时行60千米，上午11时辆车相遇．A、B两城相距多少千米？
<gadget id="calculator">11 - 8</gadget>
<output>3</output>

<gadget id="calculator">55 + 60</gadget>
<output>115</output>

<gadget id="calculator">3 * 115</gadget>
<output>345</output>

<result>345</result>