rectangular playground is 85 meters long and 55 meters wide. Xiaohua ran 5 laps along the side of the playground. How many meters did he run?
一个长方形操场，长85米，宽55米，小华沿操场的边跑了5圈，跑了多少米？
<gadget id="calculator">85 + 55</gadget>
<output>140</output>

<gadget id="calculator">140 * 2 * 5</gadget>
<output>1_400</output>

<result>1_400</result>