The children's cinema has two floors, with 240 seats upstairs, and 9 rows of seats downstairs, with 32 seats in each row. How many seats are there in the auditorium of this movie theater?
儿童电影院共有两层，楼上有240个座位，楼下有9排座位，每排32个座位，这个电影院观众席一共有多少个座位？
<gadget id="calculator">32 * 9</gadget>
<output>288</output>

<gadget id="calculator">288 + 240</gadget>
<output>528</output>

<result>528</result>