A court is 40 meters long and 25 meters wide. Xiaoqiang walked 2 laps along the court. How many meters did he walk in total?
一个球场长40米，宽25米，小强沿着球场走了2圈，一共走了多少米．
<gadget id="calculator">40 + 25</gadget>
<output>65</output>

<gadget id="calculator">65 * 2 * 2</gadget>
<output>260</output>

<result>260</result>