Uncle Wang needs to pack 560 table tennis balls, and he packed a total of 7 boxes with 16 bags in each box. How many per bag on average? (Use two methods to solve the problem in the comprehensive formula)
王叔叔要包装560个乒乓球，一共装了7盒，每盒16袋．平均每袋装多少个？(列综合算式用两种方法解题)
<gadget id="calculator">16 * 7</gadget>
<output>112</output>

<gadget id="calculator">560 / 112</gadget>
<output>5</output>

<result>5</result>