The school is going to organize gymnastics rehearsals. It is going to be divided into 10 groups, each group has 22 rows, and each row has 22 people. How many people are there in this rehearsal?
学校要组织体操排练，准备分10个组，每组22行，每行22人，这次排练的有多少人？
<gadget id="calculator">22 * 22 * 10</gadget>
<output>4_840</output>

<result>4_840</result>