Factory A and Factory B have a total of 200 workers. If 15 workers are transferred from Factory A to Factory B, the ratio of the number of workers in the two factories is 3:2. How many workers did Factory B have?
甲乙两厂共有工人200人，如果从甲厂调15人到乙厂，两个厂人数的比就是3：2，乙厂原来多少人？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">200 / 5</gadget>
<output>40</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<gadget id="calculator">80 - 15</gadget>
<output>65</output>

<result>65</result>