The area of a rectangle is 12.56 square meters, the length is 6.28 meters, and the width is how many meters.
1个长方形的面积是12.56平方米，长是6.28米，宽是多少米．
<gadget id="calculator">12.56 / 6.28</gadget>
<output>2</output>

<result>2</result>