Describe the supplier companies, cities and products which total production amount is more than 120.
total production amount is more than 120 refers to ADD(UnitsInstock, UnitsOnOrder) > 120
SELECT T2.CompanyName, T2.City, T1.ProductName FROM Products AS T1 INNER JOIN Suppliers AS T2 ON T1.SupplierID = T2.SupplierID WHERE T1.UnitsInStock + UnitsOnOrder > 120