Li Ming wants to fold 200 thousand origami cranes for handicapped children. He starts at 9:00 am and finishes at 2 pm. How many thousand origami cranes are folded per hour on average?
李明要折200个千纸鹤送给残障儿童，他从上午9：00开始，到下午2时才干完，平均每小时折几个千纸鹤？
<gadget id="calculator">200 / 5</gadget>
<output>40</output>

<result>40</result>