Aunt Zhang's house was decorated from February 28, 2008 to April 2, how many days did it take?
张阿姨家从2008年2月28日开始装潢，到4月2日结束，一共用了多少天．
<gadget id="calculator">29 - 28</gadget>
<output>1</output>

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

<gadget id="calculator">2 + 31 + 2</gadget>
<output>35</output>

<result>35</result>