There are 25 classes participating in the performance, and each class stands in 3 rows with 16 people in each row. How many people in total participated in the performance?
有25个班参加表演，每个班站3列，每列16人，一共有多少人参加表演？
<gadget id="calculator">25 * 3 * 16</gadget>
<output>1_200</output>

<result>1_200</result>