Experimental Primary School is closed on July 5th and starts on September 1st. How many days are there in the summer vacation?
实验小学7月5日放假，9月1日开学，暑假一共有多少天．
<gadget id="calculator">31 - 5</gadget>
<output>26</output>

<gadget id="calculator">26 + 1 + 31</gadget>
<output>58</output>

<result>58</result>