278 people from the fourth grade of Changqing Primary School went to the Children's Grand Theater to watch a movie. After all of them were seated, there were still 6 rows of empty seats, each with 48 seats. How many people can this children's theater seat in total?
长青小学四年级278人去儿童大剧院看电影，全部入座后还有6排空座位，每排48个座位．这个儿童大剧院一共可以坐多少人？
<gadget id="calculator">48 * 6</gadget>
<output>288</output>

<gadget id="calculator">278 + 288</gadget>
<output>566</output>

<result>566</result>