It takes 6 hours for A to walk from A to B. Now A and B start from A and B at the same time and walk toward each other. When they meet, the ratio of the distance traveled by them is 3:2. After traveling 18 kilometers more, find B's speed.
甲从A地走到B地要6小时，现在甲、乙两人同时从A、B两地出发，相向而行，相遇时两人所行路程的比是3：2，已知甲比乙多行了18千米，求乙的速度．
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">18 / (1/5)</gadget>
<output>90</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">6 * (3/5)</gadget>
<output>18/5 = around 3.6</output>

<gadget id="calculator">(2/5) / (18/5)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">90 * (1/9)</gadget>
<output>10</output>

<result>10</result>