The school playground is 400 meters long and 120 meters wide. Xiao Fang ran around the playground 3 times. How many meters did he run?
学校操场长400米，宽120米，小方绕操场四周跑3圈，他跑了多少米？
<gadget id="calculator">400 + 120</gadget>
<output>520</output>

<gadget id="calculator">520 * 2 * 3</gadget>
<output>3_120</output>

<result>3_120</result>