The square of Laozhai Primary School is a rectangle, 120 meters long, and three times as long as it is wide. Teacher Zhu ran 3 laps along the side of the square. How many meters did he run?
老寨小学的广场是一个长方形，长120米，长是宽的3倍，朱老师沿着广场的边跑了3圈，他跑了多少米？
<gadget id="calculator">120 / 3</gadget>
<output>40</output>

<gadget id="calculator">120 + 40</gadget>
<output>160</output>

<gadget id="calculator">160 * 2 * 3</gadget>
<output>960</output>

<result>960</result>