WinnerAmount__c
    WinnerAmount1__c+ WinnerAmount2__c	+ WinnerAmount3__c	 + WinnerAmount4__c	+WinnerAmount5__c
    false
    if(isblank(WinnerAmount1__c), 0,
if(isnumber(WinnerAmount1__c), VALUE(WinnerAmount1__c),
if(CONTAINS(WinnerAmount1__c, ','), VALUE(SUBSTITUTE(WinnerAmount1__c, ',', '')), 0)
)) +
if(isblank(WinnerAmount2__c), 0,
if(isnumber(WinnerAmount2__c), VALUE(WinnerAmount2__c),
if(CONTAINS(WinnerAmount2__c, ','), VALUE(SUBSTITUTE(WinnerAmount2__c, ',', '')), 0)
)) +
if(isblank(WinnerAmount3__c), 0,
if(isnumber(WinnerAmount3__c), VALUE(WinnerAmount3__c),
if(CONTAINS(WinnerAmount3__c, ','), VALUE(SUBSTITUTE(WinnerAmount3__c, ',', '')), 0)
)) +
if(isblank(WinnerAmount4__c), 0,
if(isnumber(WinnerAmount4__c), VALUE(WinnerAmount4__c),
if(CONTAINS(WinnerAmount4__c, ','), VALUE(SUBSTITUTE(WinnerAmount4__c, ',', '')), 0)
)) +
if(isblank(WinnerAmount5__c), 0,
if(isnumber(WinnerAmount5__c), VALUE(WinnerAmount5__c),
if(CONTAINS(WinnerAmount5__c, ','), VALUE(SUBSTITUTE(WinnerAmount5__c, ',', '')), 0)
))
    BlankAsZero
    
    18
    false
    2
    false
    false
    Number
    false