Two cars, A and B, are traveling in the same direction at the same time from two places 240 kilometers apart. Car A is in front and travels 67 kilometers per hour. Car B is behind and travels 82 kilometers per hour. It will take several hours for car B to catch up with car A. ?
甲乙两车从相距240千米的两地同时同向而行，甲车在前，每小时行驶67千米；乙车在后，每小时行驶82千米，乙车追上甲车需要几小时？
<gadget id="calculator">82 - 67</gadget>
<output>15</output>

<gadget id="calculator">240 / 15</gadget>
<output>16</output>

<result>16</result>