There are 8 square formations participating in the gymnastics performance at the opening ceremony of the sports meeting, each square formation has 15 rows, and each row has 15 people. How many people were there in total?
在运动会开幕式上进行的体操表演中有8个方阵参加，每个方阵排15行，每行有15人．一共有多少人参加表演？
<gadget id="calculator">15 * 15 * 8</gadget>
<output>1_800</output>

<result>1_800</result>