Xiaohua ran 3 laps along a playground that is 25 meters long and 15 meters wide. How many meters did he run in total?
小华沿着一个长25米，宽15米的操场跑了3圈，他一共跑了多少米？
<gadget id="calculator">25 + 15</gadget>
<output>40</output>

<gadget id="calculator">40 * 2 * 3</gadget>
<output>240</output>

<result>240</result>