Art style: Pixar-like 3D.
A close-up view of the dark green chalkboard. The white chalk lettering is large and bold, arranged on three lines: 'eight', '+ ten', and '= ?'. The surface of the board has a slight matte sheen under the classroom lights. The composition is strictly vertical and centred, with no characters or hands visible.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image in the following art style:
Stylized cinematic 3D, expressive animated characters, soft rounded forms, polished materials, warm cinematic lighting, charming facial expressions, high-end animated film look.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
