Two people, A and B, walk toward each other from A and B at the same time. A travels for 6 hours. The ratio of the distance traveled by the two when they meet is 3:2. At this time, A travels 18 kilometers longer than B. B's speed?
甲、乙两人同时从A、B两地相向而行，甲行完全程要6小时，两人相遇时所行距离的比是3：2，这时甲比乙多行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) / 6</gadget>
<output>15</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">15 * (2/3)</gadget>
<output>10</output>

<result>10</result>