A rectangular playground has an area of 1260 square meters. It is known that the length of the playground is 420 meters. What is the width in meters?
一个长方形操场，面积是1260平方米，已知操场的长是420米，宽是多少米？
<gadget id="calculator">1_260 / 420</gadget>
<output>3</output>

<result>3</result>