Arithmetic operators in expression quotas

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You can define quotas in which the quota characteristics are based on the results of arithmetic calculations. The arithmetic calculations consist of numeric variables, numeric values, and numeric expressions all joined by arithmetic operators.

Operator	Operation	Description
+	Addition	Add numeric values, numeric variables, or numeric expressions
-	Subtraction	Subtract one numeric value, numeric variable, or numeric expression from another such value, variable or expression
/	Division	Divide one numeric value, numeric variable, or numeric expression by another such value, variable or expression
*	Multiplication	Multiply two numeric values, numeric variables, or numeric expressions

Example

The following expression defines the quota characteristics for respondents who visited the museum more than five times prior to the year the survey was conducted:

visits - visits12 > 5

visits and visits12 are both numeric variables. visits records the total number of previous visits each respondent made to the museum and visits12 records the number of visits each respondent made in the previous 12 months. This expression subtracts the number of visits made in the previous 12 months from the total number of visits and selects respondents for whom the result is greater than 5.