One lap of the school playground is 400 meters. Xiao Fang ran 2 and a half laps around the playground. How many meters did he run?
学校操场一圈是400米，小方绕操场跑2圈半，他跑了多少米？
<gadget id="calculator">400 * 2.5</gadget>
<output>1_000</output>

<result>1_000</result>