The two teams of People's Liberation Army marched towards each other at the same time from A and B, which were 110 kilometers apart, and met after 2 hours. Team A travels 25 kilometers per hour, how many kilometers per hour does Team B travel?
两队解放军分别从相距110千米的A、B两地同时相向而行，经过2小时相遇．A队每小时行25千米，B队每小时行多少千米？
<gadget id="calculator">110 / 2</gadget>
<output>55</output>

<gadget id="calculator">55 - 25</gadget>
<output>30</output>

<result>30</result>