num(month(Field)) should do the trick
num(Month) * 85 is correct If I select only January.
But my needs is:
If i select only January, target will be 85
If i select only February, target will be 85
If i select only March, target will be 85
but If I select January + February, it wil be 170.
count(num(Month) * 85
Retrieving data ...