{"type":"rich","version":"1.0","title":"X ^ 2 - Y ^ 2 = 42.7777777778 = 385 / 9","html":"<iframe src=\"https://www.desmos.com/calculator/lbd7c9t9ae?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}