What was the change in Total property and equipment between 2019 and 2020?
{"Equipment and software": {"January 31, 2020": 1404, "February 1, 2019": 1448}, "Buildings and improvements": {"January 31, 2020": 1088, "February 1, 2019": 991}, "Furniture and fixtures": {"January 31, 2020": 120, "February 1, 2019": 116}, "Construction in progress": {"January 31, 2020": 106, "February 1, 2019": 56}, "Total property and equipment": {"January 31, 2020": 2718, "February 1, 2019": 2611}, "Accumulated depreciation": {"January 31, 2020": -1438, "February 1, 2019": -1449}, "Total property and equipment, net": {"January 31, 2020": 1280, "February 1, 2019": 1162}}
total_property_and_equipment_january_31_2020 = df["Total property and equipment"]["January 31, 2020"]
total_property_and_equipment_february_1_2019 = df["Total property and equipment"]["February 1, 2019"]
answer = total_property_and_equipment_january_31_2020 - total_property_and_equipment_february_1_2019