What is the formula result? is it 0?
try to clear the cell alignment format from the text/numbers
If values are automatically aligned LEFT this means they are still TEXT values. so you still have to turn them into NUMBERS to calculate
You can try to put the ranges in the sumproduct formula in a VALUE function like this:
If the conversion fails you will get an error #VALUE!Then you have to look into the number formatting and settings (spaces, commas, dots, etc.)