Can calculate numbers before sending out data?

I need to calculate the amount before sending the data out.
What do I need?

I want to calculate these two things.
image

Hey @Panupol_Sonnuam, can you elaborate a bit on what exactly you want to calculate? Your screenshot only shows two Google Sheets nodes with no information on their data. In general, calculations are quite simple inside n8n expressions. Check your other thread for an example:

Oh thank you It’s Working

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Sweet, thanks for confirming!