A square square with a side length of 300 meters, Kobayashi runs along the square for two weeks every day, how many meters does Kobayashi run every day?
一个正方形的广场，边长300米，小林每天沿广场跑两周，小林每天跑多少米．
<gadget id="calculator">300 * 4 * 2</gadget>
<output>2_400</output>

<result>2_400</result>