The school started the summer vacation on July 8 this year, and started classes on September 2. How many days are there in total?
学校今年7月8日开始放暑假，9月2日开学上课，共放假多少天．
<gadget id="calculator">31 - 8</gadget>
<output>23</output>

<gadget id="calculator">23 + 1</gadget>
<output>24</output>

<gadget id="calculator">24 + 31 + 1</gadget>
<output>56</output>

<result>56</result>