请用小学四年级的知识讲解这道题目的解法---**Extraction Content:** **Question:** [Ask 4] A square piece of paper has 2 cm cut off from each of its sides, resulting in a smaller square. The area of the cut-off parts is 32 cm². What is the area of the original square? **Diagram Description:** * Type: Geometric diagram illustrating a square and a smaller concentric square within it. * Main Elements: * An outer square (representing the original square). * An inner square, indicated by dashed lines, inside the outer square (representing the resulting smaller square). * The region between the outer and inner squares is colored blue, representing the "cut-off parts". This region forms an L-shape or border around the inner square. * Labels: * "2 cm" is labeled along the top edge of the blue cut-off region, indicating the width of the cut removed from the top side. * "2 cm" is labeled along the right edge of the blue cut-off region, indicating the width of the cut removed from the right side. (Implicitly, 2 cm is cut from all four sides). * "32 cm²" is labeled within the bottom-left portion of the blue cut-off region, indicating the total area of the cut-off parts.