During the summer vacation, Xiaofang, her father, and her mother went on a trip together. They set off on July 26 and returned home on August 4. How many days did it take them to go home?
暑假，小芳、爸爸、妈妈一起外出旅游，他们7月26日出发，8月4日回家．他们从出发到回家共用了多少天？
<gadget id="calculator">31 - 26</gadget>
<output>5</output>

<gadget id="calculator">5 + 1 + 4</gadget>
<output>10</output>

<result>10</result>