Teacher Wang bought 5 small volleyballs in the store, paid the salesperson 100 yuan, and got 5 yuan back. How much is each volleyball on average?
王老师在商店买了5只小排球，付给营业员100元，找回了5元，平均每只排球多少元？
<gadget id="calculator">100 - 5</gadget>
<output>95</output>

<gadget id="calculator">95 / 5</gadget>
<output>19</output>

<result>19</result>