how to use multiple column condition in App Formula?

Hi all id like ask if anyone has idea on how to write the formula in app formula using to column like this:
AND(
([Regular]5)
,
([Special]
5)
)

what i want to achieve is if Regular is selected it will multply by 5 let say input value 3 in Fare column the result is 15 same goes to special.

Regular is a colum same with special.
App Formula for column Fare (Number)

im sorry for my bad english

Hi
Try the expression =[_THISROW].[Regular]*5.
The [_THISROW] operator allows you to retrieve a value that is entered in a form field.
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Привет!
Попробуйте выражение =[_THISROW].[Regular]*5 .
Оператор [_THISROW] позволяет получить значение, введенное в поле формы.

IF() - AppSheet Help