The auditorium of Nanhu Theater is divided into upper and lower floors. There are 540 seats downstairs and 9 rows upstairs with 25 seats in each row. (Ask two different questions based on conditions and answer them)
南湖影剧院的观众席分上、下两层．楼下有540个座位，楼上有9排，每排有25个座位．(根据条件提出两个不同的问题，并解答)
<gadget id="calculator">25 * 9</gadget>
<output>225</output>

<gadget id="calculator">225 + 540</gadget>
<output>765</output>

<result>765</result>