{"type":"rich","version":"1.0","title":"a = 5. b = 17 / 4. c = 35 / 13","html":"<iframe src=\"https://www.desmos.com/calculator/att39yayyw?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}