There are 620 seats on the first floor of the People's Theater, and 22 rows on the second floor, with 40 seats in each row. How many seats does this theater have?
人民剧院一楼有620个座位，二楼有座位22排，每排有40个座位，这个剧院一共有多少个座位？
<gadget id="calculator">40 * 22</gadget>
<output>880</output>

<gadget id="calculator">620 + 880</gadget>
<output>1_500</output>

<result>1_500</result>