Teacher Li brought 500 yuan to buy 8 basketballs, leaving 52 yuan. How much is the average basketball?
李老师带了500元买了8只篮球，还剩52元．平均每只篮球多少元？
<gadget id="calculator">500 - 52</gadget>
<output>448</output>

<gadget id="calculator">448 / 8</gadget>
<output>56</output>

<result>56</result>