A rectangular field is 108 meters long and 72 meters wide. Xiaoqiang walked around it 5 times. How many meters did Xiaoqiang walk in total?
一个长方形的场地，长108米，宽72米，小强绕着它一共走了5圈．小强一共走了多少米？
<gadget id="calculator">280 * 2 * 5</gadget>
<output>2_800</output>

<result>2_800</result>