Xinxin Real Estate Agency, in the first half of this year, sold 2 new houses in January, 3 new houses in February, 0 new houses in March, 8 new houses in April, and 11 new houses in May and June. A new house. How many new houses were sold each month on average in the past six months?
心心房产中介公司，今年上半年1月份卖出2套新房，2月份卖出3套新房，3月份房价调控卖出0套新房，4月份卖出8套新房，5、6月份共卖出11套新房．这半年中平均每个月销售多少套新房？
<gadget id="calculator">2 + 3 + 0 + 8 + 11</gadget>
<output>24</output>

<gadget id="calculator">24 / 6</gadget>
<output>4</output>

<result>4</result>