Teacher Wang took 100 yuan to the sporting goods store and bought 4 identical volleyballs, and got 8 yuan back. How much is each volleyball?
王老师带100元钱到体育用品商店买了4个同样的排球，找回8元，每个排球多少元？
<gadget id="calculator">100 - 8</gadget>
<output>92</output>

<gadget id="calculator">92 / 4</gadget>
<output>23</output>

<result>23</result>