{"pre_text": ["table of contents certain union-represented american mainline employees are covered by agreements that are not currently amendable .", "until those agreements become amendable , negotiations for jcbas will be conducted outside the traditional rla bargaining process described above , and , in the meantime , no self-help will be permissible .", "the piedmont mechanics and stock clerks and the psa dispatchers have agreements that are now amendable and are engaged in traditional rla negotiations .", "none of the unions representing our employees presently may lawfully engage in concerted refusals to work , such as strikes , slow-downs , sick-outs or other similar activity , against us .", "nonetheless , there is a risk that disgruntled employees , either with or without union involvement , could engage in one or more concerted refusals to work that could individually or collectively harm the operation of our airline and impair our financial performance .", "for more discussion , see part i , item 1a .", "risk factors 2013 201cunion disputes , employee strikes and other labor-related disruptions may adversely affect our operations . 201d aircraft fuel our operations and financial results are significantly affected by the availability and price of jet fuel .", "based on our 2016 forecasted mainline and regional fuel consumption , we estimate that , as of december 31 , 2015 , a one cent per gallon increase in aviation fuel price would increase our 2016 annual fuel expense by $ 44 million .", "the following table shows annual aircraft fuel consumption and costs , including taxes , for our mainline operations for 2015 and 2014 ( gallons and aircraft fuel expense in millions ) .", "year gallons average price per gallon aircraft fuel expense percent of total mainline operating expenses ."], "post_text": ["total fuel expenses for our wholly-owned and third-party regional carriers operating under capacity purchase agreements of american were $ 1.2 billion and $ 2.0 billion for the years ended december 31 , 2015 and 2014 , respectively .", "as of december 31 , 2015 , we did not have any fuel hedging contracts outstanding to hedge our fuel consumption .", "as such , and assuming we do not enter into any future transactions to hedge our fuel consumption , we will continue to be fully exposed to fluctuations in fuel prices .", "our current policy is not to enter into transactions to hedge our fuel consumption , although we review that policy from time to time based on market conditions and other factors .", "fuel prices have fluctuated substantially over the past several years .", "we cannot predict the future availability , price volatility or cost of aircraft fuel .", "natural disasters , political disruptions or wars involving oil-producing countries , changes in fuel-related governmental policy , the strength of the u.s .", "dollar against foreign currencies , changes in access to petroleum product pipelines and terminals , speculation in the energy futures markets , changes in aircraft fuel production capacity , environmental concerns and other unpredictable events may result in fuel supply shortages , additional fuel price volatility and cost increases in the future .", "see part i , item 1a .", "risk factors 2013 201cour business is dependent on the price and availability of aircraft fuel .", "continued periods of high volatility in fuel costs , increased fuel prices and significant disruptions in the supply of aircraft fuel could have a significant negative impact on our operating results and liquidity . 201d insurance we maintain insurance of the types that we believe are customary in the airline industry , including insurance for public liability , passenger liability , property damage , and all-risk coverage for damage to our aircraft .", "principal coverage includes liability for injury to members of the public , including passengers , damage to ."], "table": [["year", "gallons", "average price pergallon", "aircraft fuel expense", "percent of total mainline operating expenses"], ["2015", "3611", "$ 1.72", "$ 6226", "21.6% ( 21.6 % )"], ["2014", "3644", "2.91", "10592", "33.2% ( 33.2 % )"]], "table_ori": [["Year", "Gallons", "Average Price  perGallon", "Aircraft Fuel  Expense", "Percent of Total Mainline Operating  Expenses"], ["2015", "3,611", "$1.72", "$6,226", "21.6%"], ["2014", "3,644", "2.91", "10,592", "33.2%"]]}

Question: in 2015 what were the total mainline operating expenses in millions
Evidence:
table_1: year the 2015 of gallons is 3611 ; the 2015 of average price pergallon is $ 1.72 ; the 2015 of aircraft fuel expense is $ 6226 ; the 2015 of percent of total mainline operating expenses is 21.6% ( 21.6 % ) ;
Program: divide(6226, 21.6%)
Answer:
str_answer: 28824
exe_answer: 28824.07407