{"type":"rich","version":"1.0","title":"몰 변환 연습","description":"학생들이 단어 은행에서 숫자를 끌어다 놓는 몰 변환 연습 문제","author_name":"Padlet TA","thumbnail_url":"https://arcade.padlet.com/open-graph/social-preview-image.png?timestamp=1767922010584&hashid=aBKQ04YdpZ","html":"<iframe src=\"https://arcade.padlet.com/embed/aBKQ04YdpZ\" width=\"720\" height=\"480\" frameborder=\"0\" allowfullscreen></iframe>","width":720,"height":480,"provider_name":"Padlet Arcade","provider_url":"https://arcade.padlet.com"}