square square has a side length of 305 meters. Kobayashi runs along the square for one week every day. How many meters does Kobayashi run every day?
一个正方形的广场边长305米，小林每天沿广场跑一周，小林每天大约跑多少米．
<gadget id="calculator">305 * 4</gadget>
<output>1_220</output>

<result>1_220</result>