{"type":"rich","version":"1.0","description":"최대공약수와 최소공배수","title":"약수와 배수 챌린지","width":720,"html":"<iframe src=\"https://arcade.padlet.com/embed/94rw0ORxjq\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","height":480,"provider_name":"Padlet Arcade","author_name":"Padlet Arcade","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1786136776291&hashid=94rw0ORxjq","provider_url":"https://arcade.padlet.com"}