CALC missing re-calculation

I am using Libreoffice on Linux Mint 10.
CALC Bad calculation.xlsx
I am attaching a file with an example of the annoying problem I am dealing with.
If I use the SUM() function on a range containing a calculation, the sum result is not updated when the operators of the calculation are changed.
Is there any missing config?
Thank you in advance for your help.

Bug has been corrected in LO 7.0.3

Bug 137248

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