Xiao Ming ran 4 laps along the 85-meter-long and 35-meter-wide playground. How many meters did he run in total?
小明沿着长85米，宽35米的操场跑了4圈，一共跑了多少米．
<gadget id="calculator">85 + 35</gadget>
<output>120</output>

<gadget id="calculator">120 * 2 * 4</gadget>
<output>960</output>

<result>960</result>