{"type":"rich","version":"1.0","title":"a ² + 4 b ² + 16 c ² = 63 / 4","html":"<iframe src=\"https://www.desmos.com/calculator/mfglprwu0e?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}