A square playground with a side length of 65 meters. Dad runs around it 4 times every morning. How many meters did he run in total?
一个正方形活动场地，边长65米，爸爸每天早上绕着它跑4圈，一共跑了多少米？
<gadget id="calculator">65 * 4 * 4</gadget>
<output>1_040</output>

<result>1_040</result>