What was the difference in operating leases between those that were less than 1 year and 1 to 3 years?
{"Operating leases": {"Total": 1179, "Less than 1 Year": 441, "1 to 3 Years": 494, "3 to 5 Years": 190, "More than 5 Years": 54}, "Purchase commitments with contract manufacturers and suppliers": {"Total": 4967, "Less than 1 Year": 4239, "1 to 3 Years": 728, "3 to 5 Years": "\u2014", "More than 5 Years": "\u2014"}, "Other purchase obligations": {"Total": 1490, "Less than 1 Year": 676, "1 to 3 Years": 622, "3 to 5 Years": 98, "More than 5 Years": 94}, "Senior notes": {"Total": 20500, "Less than 1 Year": 6000, "1 to 3 Years": 5500, "3 to 5 Years": 2250, "More than 5 Years": 6750}, "Transition tax payable": {"Total": 8343, "Less than 1 Year": 749, "1 to 3 Years": 1498, "3 to 5 Years": 2113, "More than 5 Years": 3983}, "Other long-term liabilities .": {"Total": 1214, "Less than 1 Year": "\u2014", "1 to 3 Years": 220, "3 to 5 Years": 136, "More than 5 Years": 858}, "Total by period": {"Total": 37693, "Less than 1 Year": 12105, "1 to 3 Years": 9062, "3 to 5 Years": 4787, "More than 5 Years": 11739}, "Other long-term liabilities (uncertainty in the timing of future payments)": {"Total": 1428, "Less than 1 Year": "", "1 to 3 Years": "", "3 to 5 Years": "", "More than 5 Years": ""}, "Total": {"Total": 39121, "Less than 1 Year": "", "1 to 3 Years": "", "3 to 5 Years": "", "More than 5 Years": ""}}
less_than_1_year = df["Operating leases"]["Less than 1 Year"]
one_to_three_year = df["Operating leases"]["1 to 3 Years"]
answer = one_to_three_year - less_than_1_year