The ratio of walking speed between A and B is 3:2. A and B set off from A and B at the same time respectively. If they walk towards each other, they will meet after 1 hour. If they are traveling in the same direction, how long will it take for A to catch up with B?
甲、乙两人步行速度的比是3：2，甲、乙分别从A，B两地同时出发，若相向而行，则1小时后相遇．若同向而行，则甲需要多少时间才能追上乙？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 - 2</gadget>
<output>1</output>

<gadget id="calculator">1 / 1</gadget>
<output>1</output>

<gadget id="calculator">5 * 1</gadget>
<output>5</output>

<result>5</result>