The neighborhood committee installed 4 air conditioners, and added 2 more air conditioners later. When all 6 air conditioners are running, the fuse will be blown, so at most 4 air conditioners can be used at the same time. How many hours is the time.
居委会爱心纳凉屋安装了4台空调，后来又增加了2台空调，这6台空调全部运行时就会烧断保险丝，因此最多能同时使用4台空调，这样，在24小时平均每台空调使用的时间为多少小时．
<gadget id="calculator">4 / 6</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">24 * (2/3)</gadget>
<output>16</output>

<result>16</result>