Students from Hope Elementary School made paper cranes and gave them to kindergarten children. There are 9 classes in the kindergarten. If there are 85 cranes in each class, there will be a shortage of 34. How many paper cranes did the students make?
希望小学的同学们做了千纸鹤，送给幼儿园的小朋友．幼儿园有9个班，如果每班分85只，就会缺34只，同学们做了多少只千纸鹤？
<gadget id="calculator">85 * 9</gadget>
<output>765</output>

<gadget id="calculator">765 - 34</gadget>
<output>731</output>

<result>731</result>