There are 60 bags of rice in the cafeteria. After eating for 3 weeks, there are still 12 bags left. How many bags are eaten per week on average?
食堂有60袋大米，吃了3周后，还剩12袋，平均每周吃多少袋？
<gadget id="calculator">60 - 12</gadget>
<output>48</output>

<gadget id="calculator">48 / 3</gadget>
<output>16</output>

<result>16</result>