Xiaoming folded 38 origami cranes, and after he gave Xiaoli 8 origami cranes, there were as many of them. How many paper cranes did Xiaoli fold?
小明折了38个纸鹤，他给了小丽8个纸鹤后，他们就一样多了．小丽原来折了多少个纸鹤．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">38 - 16</gadget>
<output>22</output>

<result>22</result>