Two trains A and B depart from City A and City B respectively at the same time, travel towards each other, and meet each other in 4 hours. How many kilometers did car A travel less than car B when they met? (Information: A car 95km/h B car 120km/h)
甲乙两列火车分别同时从A城和B城出发，相向而行，4小时相遇．相遇时，甲车比乙车少行多少千米？(信息：甲车95km/h乙车120km/h)
<gadget id="calculator">120 * 4</gadget>
<output>480</output>

<gadget id="calculator">95 * 4</gadget>
<output>380</output>

<gadget id="calculator">480 - 380</gadget>
<output>100</output>

<result>100</result>