An office building originally had 5 air conditioners, and now one more is installed. If all 6 air conditioners are turned on, the fuse will be blown, so at most 5 air conditioners can be used at the same time. In this way, how many hours can each air conditioner be used on average within 24 hours.
一幢办公楼原有5台空调，现在又安装了1台，如果这6台空调全部打开就会烧断保险丝，因此最多只能同时使用5台空调．这样，在24小时内平均每台空调可使用多少小时．
<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<gadget id="calculator">24 - 4</gadget>
<output>20</output>

<result>20</result>