Change Form Registration Form Add Amount int

Step 2, assign a value to the amount field.

Update? Testing? Settings? Amount = case? What time? Area of square meters < = 100? then what 20?

What time? Ceiling ((area m2-100)/50) * 5+20 > =50? then what 50

Or what? Ceiling ((area square meters-100)/50)*5+20? final result

The writing method of sqlserver, if used in other databases, may need to be changed, which is the function of ceiling, which is a rounding function.