There are two teams, A and B, in a certain club. Team A has 25 people, and Team A transfers (1/5) to Team B. At this time, the number of teams A and B is equal. How many people did Team B have?
某俱乐部有甲、乙两队，其中甲队25人，由甲队调(1/5)给乙队，此时甲乙两队人数相等，求乙队原来有多少人？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 * (1/5)</gadget>
<output>5</output>

<gadget id="calculator">25 - 5 - 5</gadget>
<output>15</output>

<result>15</result>