Why can't I get the date difference correctly

I can't get the difference in days correctly
always show like 641,234

Thanks for support :grin:

You clipped your screen shot so your blocks can't be dragged into AI2 directly.
Do it right, this way ...

Please download and post each of those event block(s)/procedures here ...
(sample video)

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Those blocks return a reasonable result:

Look in the math section for floor(), if you don't like fractions.