The original ratio of the number of people in workshops A and B is 3:4. After 8 people are transferred from workshop B to workshop A, the number of people in workshops A and B will be equal. How many people are there in workshop B?
甲、乙两个车间原来人数的比是3：4，乙车间调8人到甲车间后，甲、乙两个车间人数就相等了，乙车间原有多少人．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">16 / (1/4)</gadget>
<output>64</output>

<result>64</result>