What is the total cost of revenue and operating expenses for fiscal year ended January 31, 2019?
{"Cost of revenue: -- Subscription and maintenance": {"$216.0": 216.0, "$1.6": 1.6, "1%": 1, "$214.4": 214.4, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense."}, "Cost of revenue: -- Other (1)": {"$216.0": 54.4, "$1.6": -18.2, "1%": -25.0, "$214.4": 72.6, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": 2018.0}, "Cost of revenue: -- Amortization of developed technology": {"$216.0": 15.5, "$1.6": -0.9, "1%": -5, "$214.4": 16.4, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": "Down as previously acquired developed technologies continue to become fully amortized."}, "Cost of revenue: -- Total cost of revenue": {"$216.0": 285.9, "$1.6": -17.5, "1%": -6, "$214.4": 303.4, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": ""}, "Cost of revenue: -- Marketing and sales": {"$216.0": 1183.9, "$1.6": 96.6, "1%": 9, "$214.4": 1087.3, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": "Up due to increased employee-related costs driven by higher headcount, as well as higher cloud hosting costs and professional fees."}, "Cost of revenue: -- Research and development": {"$216.0": 725.0, "$1.6": -30.5, "1%": -4.0, "$214.4": 755.5, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": 2018.0}, "Cost of revenue: -- General and administrative": {"$216.0": 340.1, "$1.6": 34.9, "1%": 11, "$214.4": 305.2, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": "Up primarily due to higher professional fees, employee-related costs and facilities costs, partially offset by lower employee benefits costs."}, "Cost of revenue: -- Amortization of purchased intangibles": {"$216.0": 18.0, "$1.6": -2.2, "1%": -11, "$214.4": 20.2, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": "Down as previously acquired intangible assets continue to become fully amortized."}, "Cost of revenue: -- Restructuring and other exit costs, net": {"$216.0": 41.9, "$1.6": -52.2, "1%": -55.0, "$214.4": 94.1, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": 2018.0}, "Cost of revenue: -- ": {"$216.0": 2308.9, "$1.6": 46.6, "1%": 2, "$214.4": 2262.3, "Up primarily due to an increase in cloud hosting costs partially offset by a decrease in royalty and depreciation expense.": ""}}
total_cost_revenue = df["Cost of revenue: -- Total cost of revenue"]["$216.0"]
total_cost_expenses = df["Cost of revenue: -- "]["$216.0"]
answer = total_cost_revenue + total_cost_expenses