[Bug]: Issue in arithmetics in PDF forms

[PeterKraus]

Attach (recommended) or Link to PDF file

I cannot attach the file to a public repository, as it concerns an order sheet which could be abused. Please contact me via email - peter dot kraus at tu-berlin dot de and I will share the file with you.

Web browser and its version

Firefox 130.0

Operating system and its version

Windows 10

PDF.js version

Whatever is in Firefox 130.0

Is the bug present in the latest PDF.js version?

Yes

Is a browser extension

No

Steps to reproduce the problem

1. Type 302.80 into order total field
2. Select 7% VAT which calculates it to be 21.20 (which is correct)
3. The sum is 323.00 instead of 324.00

What is the expected behavior?

Correct sum in Foxit.

What went wrong?

Incorrect sum in pdf.js (Firefox 130)

Link to a viewer

No response

Additional context

No response

[calixteman]

You can file a bug in the Firefox pdf viewer component:
https://bugzilla.mozilla.org/enter_bug.cgi?product=Firefox&component=PDF%20Viewer
and check the box to make it only visible by Mozilla employees:

If you prefer sending it to me, you can, please use my mozilla email (I'm the owner of the above component, so you'll be able to find my email address in the page).

[PeterKraus]

I hope I set the permissions correctly:
https://bugzilla.mozilla.org/show_bug.cgi?id=1918115

[PeterKraus]

Magic. Thanks!