rectangle has the same area as a square. The side length of the square is 12 cm, the width of the rectangle is 6 cm, what is the length in cm?
一个长方形与一个正方形的面积相等．正方形的边长是12厘米，长方形的宽是6厘米，长是多少厘米．
<gadget id="calculator">12 / 6</gadget>
<output>2</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<result>24</result>