A's walking speed is equivalent to (3/2) times that of B. The two start from A and B at the same time. If they meet each other for 1 hour, they will walk in the same direction (B is in front and A is behind). Hour A catches up with B.
甲行走的速度相当于乙的(3/2)倍，两人分别从A、B两地同时出发，如果相向而行1小时相遇，那么同向而行(乙在前甲在后)，多少小时甲追上乙．
<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>