The shopping mall sells 15 air conditioners and 9 refrigerators every day. The existing stock of air conditioners is 360 and the stock of refrigerators is 282. After how many days, the stock of the two appliances will be the same? (column equation solution)
商场每天售出空调15台，冰箱9台，现有空调库存360台，冰箱库存282台，多少天后两种家电的存货量相同？(列方程解决)
<gadget id="calculator">360 - 282</gadget>
<output>78</output>

<gadget id="calculator">15 - 9</gadget>
<output>6</output>

<gadget id="calculator">78 / 6</gadget>
<output>13</output>

<result>13</result>