The ratio of the number of people in workshops A and B is 3:7. If 5 people are transferred to workshop A and 11 people are transferred to workshop B, then the number of people in the two workshops is equal. How many people are there in workshop B?
甲、乙两车间人数的比是3：7，甲车间调进5人，乙车间调走11人，则两车间人数相等，乙车间有多少人？
<gadget id="calculator">5 + 11</gadget>
<output>16</output>

<gadget id="calculator">7 - 3</gadget>
<output>4</output>

<gadget id="calculator">16 / 4</gadget>
<output>4</output>

<gadget id="calculator">4 * 7</gadget>
<output>28</output>

<result>28</result>