The school will have winter vacation on January 24th and start school on February 23rd. How many days will the school have in total?
学校元月24日放寒假，2月23日开学，学校一共放多少天假．
<gadget id="calculator">31 - 24</gadget>
<output>7</output>

<gadget id="calculator">7 + 1 + 23</gadget>
<output>31</output>

<result>31</result>