Two people, A and B, travel eastward from West Village and East Village, which are 18 kilometers apart. A rides a bicycle and B walks. After 2 hours, A catches up with B. It is known that A travels 14 kilometers per hour. How many kilometers per hour?
甲、乙两人分别从相距18千米的西村和东村同时向东而行，甲骑自行车，乙步行，2小时后甲追上乙，已知甲每小时行14千米，求乙每小时走多少千米？
<gadget id="calculator">14 * 2</gadget>
<output>28</output>

<gadget id="calculator">28 - 18</gadget>
<output>10</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>