During his morning exercises, Grandpa Li walked 12 times around a rectangular lawn that was 35 meters long and 27 meters wide. How many meters did Grandpa Li walk in total?
李爷爷晨练时沿着长35米，宽27米的长方形的草坪周围走了12圈．李爷爷一共走了多少米？
<gadget id="calculator">35 + 27</gadget>
<output>62</output>

<gadget id="calculator">62 * 2 * 12</gadget>
<output>1_488</output>

<result>1_488</result>