There are a total of 23 empty boxes in the milk powder packaging workshop. After packing 54 cans of milk powder into a box of 6 cans, how many empty boxes are there in the packaging workshop?
奶粉包装车间里一共有23个空箱子，将54罐奶粉每6罐装入一箱后，包装车间里还有多少个空箱子？
<gadget id="calculator">54 / 6</gadget>
<output>9</output>

<gadget id="calculator">23 - 9</gadget>
<output>14</output>

<result>14</result>