What is the percentage constitution of total operating leases among the total contractual obligations?
{"Operating leases, including imputed interest": {"Total": 12807, "Year 1 (1)": 3519, "Years 2 & 3": 5102, "Years 4 & 5": 4186, "Beyond 5 Years": "\u2014"}, "Finance leases, including imputed interest (1)": {"Total": 2165, "Year 1 (1)": 1423, "Years 2 & 3": 736, "Years 4 & 5": 6, "Beyond 5 Years": "\u2014"}, "Total contractual obligations": {"Total": 14972, "Year 1 (1)": 4942, "Years 2 & 3": 5838, "Years 4 & 5": 4192, "Beyond 5 Years": "$ \u2014"}}
total_operating_leases = df["Operating leases, including imputed interest"]["Total"]
total_contractual_obligations = df["Total contractual obligations"]["Total"]
answer = total_operating_leases / total_contractual_obligations * 100.0