The cold drink shop sells 75 bottles of drinks on the first day, 25 bottles in the morning on the second day, 35 bottles in the afternoon, and 81 bottles on the third day. How many bottles of drinks does the cold drink shop sell on average per day?
冷饮店第一天卖饮料75瓶，第二天上午卖饮料25瓶，下午卖饮料35瓶，第三天卖饮料81瓶，冷饮店平均每天卖多少瓶饮料？
<gadget id="calculator">75 + 25 + 35 + 81</gadget>
<output>216</output>

<gadget id="calculator">216 / 3</gadget>
<output>72</output>

<result>72</result>