Two cars, A and B, leave Weihai and Wendeng at the same time, and drive toward each other. Car A travels 53 kilometers per hour, and car B travels 57 kilometers per hour. The two cars meet each other in about half an hour. What is the approximate distance between Weihai and Wendeng? km?
甲乙两辆车分别从威海、文登同时开出，相向而行，甲车每小时53千米，乙车每小时57千米，大约半小时两车相遇，威海和文登之间的路程大约是多少千米？
<gadget id="calculator">53 + 57</gadget>
<output>110</output>

<gadget id="calculator">110 * 0.5</gadget>
<output>55</output>

<result>55</result>