A rectangle and a square have the same area. It is known that the side length of the square is 12 cm and the length of the rectangle is 16 cm. What is its width in cm?
一个长方形和一个正方形的面积相等，已知正方形的边长是12厘米，长方形的长是16厘米，它的宽是多少厘米？
<gadget id="calculator">12 / 16</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<result>9</result>