{"type":"rich","version":"1.0","title":"Infix to Postfix converter and Postfix calculator","author_name":"mcc","author_url":"https://plnkr.co/users/mcc","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_hc6XNK\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/hc6XNK?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/hc6XNK.png?d=2019-01-21T16%3A37%3A06.222Z","thumbnail_width":400,"thumbnail_height":300}