There is a basketball court that is a rectangle with a length of 28 meters and a width of 19 meters. Xiao Ming ran one lap along the basketball court. How many meters did he run in total?
有一个篮球场是长28米、宽19米的长方形，小明沿篮球场跑了1圈，他共跑了多少米？
<gadget id="calculator">28 + 19</gadget>
<output>47</output>

<gadget id="calculator">47 * 2</gadget>
<output>94</output>

<result>94</result>