Ning Ning swam 6 laps around a rectangular swimming pool 26 meters long and 20 meters wide. How many meters did he swim in total?
宁宁沿着长26米、宽20米的长方形游泳池四周游了6圈．他一共游了多少米？
<gadget id="calculator">26 + 20</gadget>
<output>46</output>

<gadget id="calculator">46 * 2 * 6</gadget>
<output>552</output>

<result>552</result>