School A originally had 48 more students than School B. In order to facilitate admission to the nearest school, some people from School A transferred to School B. This means that School A has 12 fewer students than School B. How many people from school A transferred to school B?
甲校原来比乙校多48人，为了方便就近入学甲校有若干人转入乙校，这是甲校反而比乙校少12人．甲校有多少人转入乙校．
<gadget id="calculator">48 + 12</gadget>
<output>60</output>

<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<result>30</result>