Xiao Ming ran 3 laps along the 60-meter-long and 40-meter-wide playground, how many meters did he run in total?
小明沿着长60米，宽40米的操场跑了3圈，一共跑了多少米．
<gadget id="calculator">60 + 40</gadget>
<output>100</output>

<gadget id="calculator">100 * 2 * 3</gadget>
<output>600</output>

<result>600</result>