Teacher Li bought 26 CDs, paid 100 yuan, and got 22 yuan back. How much is each CD?
李老师买了26张光盘，付了100元，找回22元，每张光盘多少元？
<gadget id="calculator">100 - 22</gadget>
<output>78</output>

<gadget id="calculator">78 / 26</gadget>
<output>3</output>

<result>3</result>