Two people, A and B, walk toward each other from A and B at the same time. When they meet, the ratio of the distance traveled by A and B is 5:3, and A travels 12 kilometers longer than B. It takes 8 hours for A to complete the journey, how many kilometers does B travel per hour?
甲、乙两人同时从A、B两地相向而行，相遇时甲、乙所行的路程比是5：3，并且甲比乙多行12千米．甲行完全程要8小时，乙每小时行多少千米？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(5/8) - (3/8)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 / (1/4)</gadget>
<output>48</output>

<gadget id="calculator">48 / 8</gadget>
<output>6</output>

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

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

<result>18/5 = around 3.6</result>