Century Clothing City sold 86 sets of clothing on the first day, 174 sets on the second and third days, and 92 sets on the fourth day. How many sets of clothing are sold per day on average?
世纪服装城第一天卖出86套服装，第二天和第三天共卖出174套服装，第四天卖出92套．平均每天卖出多少套服装？
<gadget id="calculator">86 + 174 + 92</gadget>
<output>352</output>

<gadget id="calculator">352 / 4</gadget>
<output>88</output>

<result>88</result>