Xiao Ming bought 4 basketballs, paid 100 yuan to the sales aunt, and got back 24 yuan. How much is an average basketball?
小明买了4只篮球，付给售货阿姨100元钱，找回24元．平均每只篮球有多少元？
<gadget id="calculator">100 - 24</gadget>
<output>76</output>

<gadget id="calculator">76 / 4</gadget>
<output>19</output>

<result>19</result>