The walking speed ratio of A and B is 13:11. If A and B start from A and B at the same time and walk toward each other, and meet each other after 0.5 hours. If they are walking in the same direction, how much time does it take for A to catch up with B? Hour.
甲、乙两人步行的速度比是13：11，如果甲、乙分别由A、B两地同时出发相向而行，0.5小时后相遇，如果他们同向而行，那么甲追上乙需要多少小时．
<gadget id="calculator">13 + 11</gadget>
<output>24</output>

<gadget id="calculator">24 * 0.5</gadget>
<output>12</output>

<gadget id="calculator">13 - 11</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>