factory has two workshops, A and B. After transferring 7 people from workshop A to workshop B, workshop A still has 15 more workers than workshop B. How many people did workshop A have more than workshop B?
某工厂有甲、乙两个车间，从甲车间调7人到乙车间后，这时甲车间还比乙车间多15人，原来甲车间比乙车间多多少人？
<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">14 + 15</gadget>
<output>29</output>

<result>29</result>