Xiao Ming ran 4 laps along the 80-meter-long and 35-meter-wide playground. How many meters did he run in total?
小明沿着长80米，宽35米的操场跑了4圈，一共跑了多少米．
<gadget id="calculator">80 + 35</gadget>
<output>115</output>

<gadget id="calculator">115 * 2 * 4</gadget>
<output>920</output>

<result>920</result>