The fourth-grade students were trained to stand in teams. There were 24 people in each row, and they stood in 3 rows. How many people are there?
四年级同学进行站队训练，每排有24人，站了3排．一共有多少人？
<gadget id="calculator">24 * 3</gadget>
<output>72</output>

<result>72</result>