Wolfram Alpha Widget displaying nothing on the website

Questions
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1

Hi, I’m using Noodle 2.9 version.

I have got this code from one of the widget and placed it in the file.
localhost://moodle/widget/widget.php

executed that file and getting blank page in frontend.
How can i use this widget code in correct way?

2

Could you post the contents of the file? You provided a local link to a file served from your computer.