Hi guys, what I need to do is to sum the numbers for the month of July together, and at the same time also multiplying the numbers by 10 ( because its currently in bottles of 10L and I want to calculate the total liters)

Currently:

Expected outcome

From my research I believe I need to use LINQ somehow but I am not too sure.

Also the variables I used to get the current result above is the “Month” variable and “AmtofBTLs” variable