A movie theater has 57 rows of seats upstairs and downstairs, and each row can seat 32 people. There are 17 rows of seats upstairs. How many people can sit downstairs?
一个电影院楼上楼下共有座位57排，每排可以坐32人，其中楼上有座位17排，楼下可以坐多少人？
<gadget id="calculator">57 - 17</gadget>
<output>40</output>

<gadget id="calculator">40 * 32</gadget>
<output>1_280</output>

<result>1_280</result>