A rectangle and a square have the same area. If the side length of the square is 4 meters and the length of the rectangle is 8 meters, what is the width in meters?
一个长方形和一个正方形的面积都相等，如果正方形的边长是4米，长方形的长是8米，那么宽是多少米？
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 * (1/2)</gadget>
<output>2</output>

<result>2</result>