Art style: Pixar-like 3D.
A close-up of the dark green chalkboard with white chalk text. The words 'nineteen', '− four', and '= ?' are stacked in the centre of the frame. The chalk has a dusty, authentic texture. The lighting is flat and consistent, ensuring the text is perfectly legible. No characters are present in the scene.
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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.
