A circular runway with a total length of 250 meters, Xiaojun insisted on running 4 laps every day, how many kilometers did he run in total?
一个环形跑道，全长250米，小军每天坚持跑4圈，一共跑了多少千米．
<gadget id="calculator">250 / 1_000</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">4 * (1/4)</gadget>
<output>1</output>

<result>1</result>