{"pre_text": ["jpmorgan chase & co./2009 annual report 173 trading assets and liabilities average balances average trading assets and liabilities were as follows for the periods indicated. ."], "post_text": ["( a ) primarily represent securities sold , not yet purchased .", "note 4 2013 fair value option the fair value option provides an option to elect fair value as an alternative measurement for selected financial assets , financial liabilities , unrecognized firm commitments , and written loan com- mitments not previously carried at fair value .", "elections elections were made by the firm to : 2022 mitigate income statement volatility caused by the differences in the measurement basis of elected instruments ( for example , cer- tain instruments elected were previously accounted for on an accrual basis ) while the associated risk management arrange- ments are accounted for on a fair value basis ; 2022 eliminate the complexities of applying certain accounting models ( e.g. , hedge accounting or bifurcation accounting for hybrid in- struments ) ; and 2022 better reflect those instruments that are managed on a fair value basis .", "elections include : 2022 securities financing arrangements with an embedded derivative and/or a maturity of greater than one year .", "2022 loans purchased or originated as part of securitization ware- housing activity , subject to bifurcation accounting , or managed on a fair value basis .", "2022 structured notes issued as part of ib 2019s client-driven activities .", "( structured notes are financial instruments that contain embed- ded derivatives. ) 2022 certain tax credits and other equity investments acquired as part of the washington mutual transaction .", "the cumulative effect on retained earnings of the adoption of the fair value option on january 1 , 2007 , was $ 199 million. ."], "table": [["year ended december 31 ( in millions )", "2009", "2008", "2007"], ["trading assets 2013 debt and equity instruments", "$ 318063", "$ 384102", "$ 381415"], ["trading assets 2013 derivative receivables", "110457", "121417", "65439"], ["trading liabilities 2013 debt and equityinstruments ( a )", "$ 60224", "$ 78841", "$ 94737"], ["trading liabilities 2013 derivative payables", "77901", "93200", "65198"]], "table_ori": [["Year ended December 31, (in millions)", "2009", "2008", "2007"], ["Trading assets – debt and equity instruments", "$318,063", "$384,102", "$381,415"], ["Trading assets – derivative receivables", "110,457", "121,417", "65,439"], ["Trading liabilities – debt and equityinstruments<sup>(a)</sup>", "$60,224", "$78,841", "$94,737"], ["Trading liabilities – derivative payables", "77,901", "93,200", "65,198"]]}

Question: what is the increase of the total trading assets between the years 2007 and 2008 , in millions of dollars?
Evidence:
table_1: year ended december 31 ( in millions ) the trading assets 2013 debt and equity instruments of 2009 is $ 318063 ; the trading assets 2013 debt and equity instruments of 2008 is $ 384102 ; the trading assets 2013 debt and equity instruments of 2007 is $ 381415 ;
table_2: year ended december 31 ( in millions ) the trading assets 2013 derivative receivables of 2009 is 110457 ; the trading assets 2013 derivative receivables of 2008 is 121417 ; the trading assets 2013 derivative receivables of 2007 is 65439 ;
Program: add(384102, 121417), add(381415, 65439), subtract(#0, #1)
Answer:
str_answer: 58665
exe_answer: 58665