The school will be on holiday from July 5th to September 1st, how many days will the holiday be?
学校从7月5日开始放假，到9月1日开学，假期多少天．
<gadget id="calculator">31 - 5</gadget>
<output>26</output>

<gadget id="calculator">26 + 1</gadget>
<output>27</output>

<gadget id="calculator">27 + 31</gadget>
<output>58</output>

<result>58</result>