Xiaoqiang ran around a square nursery with a side length of 40 meters. He ran 6 times. How many meters did he run in total?
小强围绕着一个边长是40米的正方形苗圃跑步，跑了6圈，一共跑了多少米？
<gadget id="calculator">40 * 4 * 6</gadget>
<output>960</output>

<result>960</result>