rectangular square is 120 meters long and three times as long as it is wide. Grandpa Wang walked 2 laps along this square, how many meters did he walk in total?
一个长方形广场长120米，长是宽的3倍．王爷爷沿着这个广场走了2圈，一共走了多少米？
<gadget id="calculator">120 / 3</gadget>
<output>40</output>

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

<gadget id="calculator">160 * 2 * 2</gadget>
<output>640</output>

<result>640</result>