A rectangular flower bed is 5 meters long and 3 meters wide. Xiaohua walked around the flower bed 3 times. How many meters did she walk in total?
一个长方形花坛长5米，宽3米，小华绕着花坛走了3圈，一共走多少米？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">8 * 2 * 3</gadget>
<output>48</output>

<result>48</result>