There are two workshops in a factory. The first workshop produces 25 parts per hour. The second workshop starts production after the first workshop completes 160 parts. After the second workshop produces 4 hours, the two workshops produce the same number of parts. ． How many parts does the second workshop produce per hour?
某厂有两个车间，第一车间每小时生产零件25个，当第一车间完成160个零件后，第二车间才开始生产，第二车间生产4小时后，两个车间生产的零件数相等．第二车间每小时生产零件多少个？
<gadget id="calculator">25 * 4</gadget>
<output>100</output>

<gadget id="calculator">100 + 160</gadget>
<output>260</output>

<gadget id="calculator">260 / 4</gadget>
<output>65</output>

<result>65</result>