What is the ratio of granted stocks to exercisable stocks?
{"Granted": {"Number of Options (in Millions)": 2.3, "Weighted Average Exercise Price": 27.09, "Average Remaining Contractual Term (Years)": "", "Aggregate Intrinsic Value (in Millions)": ""}, "Exercised": {"Number of Options (in Millions)": -0.1, "Weighted Average Exercise Price": 24.79, "Average Remaining Contractual Term (Years)": "", "Aggregate Intrinsic Value (in Millions)": 0.1}, "Expired": {"Number of Options (in Millions)": -1.8, "Weighted Average Exercise Price": 26.92, "Average Remaining Contractual Term (Years)": "", "Aggregate Intrinsic Value (in Millions)": ""}, "Outstanding at May 26, 2019": {"Number of Options (in Millions)": 0.4, "Weighted Average Exercise Price": 28.13, "Average Remaining Contractual Term (Years)": 0.16, "Aggregate Intrinsic Value (in Millions)": 0.6}, "Exercisable at May 26, 2019": {"Number of Options (in Millions)": 0.4, "Weighted Average Exercise Price": 28.13, "Average Remaining Contractual Term (Years)": 0.16, "Aggregate Intrinsic Value (in Millions)": 0.6}}
granted_number_of_options_in_millions = df["Granted"]["Number of Options (in Millions)"]
outstanding_at_may_26_2019_number_of_options_in_millions = df["Outstanding at May 26, 2019"]["Number of Options (in Millions)"]
answer = granted_number_of_options_in_millions / outstanding_at_may_26_2019_number_of_options_in_millions