The number of people in workshop A is 64% of the number of people in workshop B. If 9 people are transferred from workshop B to workshop A, then the number of people in the two workshops is exactly equal. How many people were there in workshop B?
甲车间人数是乙车间人数的64%，如果从乙车间抽调9人去甲车间，那么两车间人数正好相等，乙车间原来有多少人．
<gadget id="calculator">64 / 100</gadget>
<output>16/25 = around 0.64</output>

<gadget id="calculator">1 - (16/25)</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">2 / (9/25)</gadget>
<output>50/9 = around 5.555556</output>

<gadget id="calculator">9 * (50/9)</gadget>
<output>50</output>

<result>50</result>