The school has summer vacation from June 28th to August 31st, how many days in total?
学校从6月28日开始放暑假，直到8月31号结束，一共放了多少天？
<gadget id="calculator">30 - 28</gadget>
<output>2</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">3 + 62</gadget>
<output>65</output>

<result>65</result>