The kindergarten bought 8 boxes of balls and distributed them to 72 children, leaving 24 left. How many balls are there on average in each box?
幼儿园买来8盒皮球，分给小朋友72个，还剩24个．平均每盒有多少个皮球？
<gadget id="calculator">72 + 24</gadget>
<output>96</output>

<gadget id="calculator">96 / 8</gadget>
<output>12</output>

<result>12</result>