A and B work together to produce 360 parts. After 4 hours of production, they are still short of 100 parts. It is known that A produces 30 per hour, how many per hour does B produce?
甲、乙两人共同生产360个零件，二人一共生产了4小时后还差100个没完成．已知甲每小时生产30个，乙每小时生产多少个？
<gadget id="calculator">360 - 100</gadget>
<output>260</output>

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

<gadget id="calculator">65 - 30</gadget>
<output>35</output>

<result>35</result>