Why the resolution is different at execution and while running is other

[Fqcerqueira]

Question

I percepted a difference of resolution in Flet window, when i tried make a variable math the results it wrong, so i printed the result and resolution for two times:

Code sample

No response

Error message

No response

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• I have searched for answers to my question both in the issues and in previous discussions.

[ndonkoHenri]

Can you share simple/runnable code to reproduce this?