Why the embedded calendar is not showing in my form?

When I use the text option and paste in my iframe link, it shows only the link, not the embedded calendar.  Help.  What am I doing wrong?

https://form.jotform.us/72063985613158

Here is how to fix that:

1) Go to Source code of the Text field:

2) And paste the same code there.

It will look like this:

Please try and let us know how it worked.

Thank you!