{"pre_text": ["management 2019s discussion and analysis 138 jpmorgan chase & co./2013 annual report the credit derivatives used in credit portfolio management activities do not qualify for hedge accounting under u.s .", "gaap ; these derivatives are reported at fair value , with gains and losses recognized in principal transactions revenue .", "in contrast , the loans and lending-related commitments being risk-managed are accounted for on an accrual basis .", "this asymmetry in accounting treatment , between loans and lending-related commitments and the credit derivatives used in credit portfolio management activities , causes earnings volatility that is not representative , in the firm 2019s view , of the true changes in value of the firm 2019s overall credit exposure .", "the effectiveness of the firm 2019s credit default swap ( 201ccds 201d ) protection as a hedge of the firm 2019s exposures may vary depending on a number of factors , including the named reference entity ( i.e. , the firm may experience losses on specific exposures that are different than the named reference entities in the purchased cds ) , and the contractual terms of the cds ( which may have a defined credit event that does not align with an actual loss realized by the firm ) and the maturity of the firm 2019s cds protection ( which in some cases may be shorter than the firm 2019s exposures ) .", "however , the firm generally seeks to purchase credit protection with a maturity date that is the same or similar to the maturity date of the exposure for which the protection was purchased , and remaining differences in maturity are actively monitored and managed by the firm .", "credit portfolio hedges the following table sets out the fair value related to the firm 2019s credit derivatives used in credit portfolio management activities , the fair value related to the cva ( which reflects the credit quality of derivatives counterparty exposure ) , as well as certain other hedges used in the risk management of cva .", "these results can vary from period-to- period due to market conditions that affect specific positions in the portfolio .", "net gains and losses on credit portfolio hedges year ended december 31 , ( in millions ) 2013 2012 2011 hedges of loans and lending- related commitments $ ( 142 ) $ ( 163 ) $ ( 32 ) ."], "post_text": ["community reinvestment act exposure the community reinvestment act ( 201ccra 201d ) encourages banks to meet the credit needs of borrowers in all segments of their communities , including neighborhoods with low or moderate incomes .", "the firm is a national leader in community development by providing loans , investments and community development services in communities across the united states .", "at december 31 , 2013 and 2012 , the firm 2019s cra loan portfolio was approximately $ 18 billion and $ 16 billion , respectively .", "at december 31 , 2013 and 2012 , 50% ( 50 % ) and 62% ( 62 % ) , respectively , of the cra portfolio were residential mortgage loans ; 26% ( 26 % ) and 13% ( 13 % ) , respectively , were commercial real estate loans ; 16% ( 16 % ) and 18% ( 18 % ) , respectively , were business banking loans ; and 8% ( 8 % ) and 7% ( 7 % ) , respectively , were other loans .", "cra nonaccrual loans were 3% ( 3 % ) and 4% ( 4 % ) , respectively , of the firm 2019s total nonaccrual loans .", "for the years ended december 31 , 2013 and 2012 , net charge-offs in the cra portfolio were 1% ( 1 % ) and 3% ( 3 % ) , respectively , of the firm 2019s net charge-offs in both years. ."], "table": [["year ended december 31 ( in millions )", "2013", "2012", "2011"], ["hedges of loans and lending-related commitments", "$ -142 ( 142 )", "$ -163 ( 163 )", "$ -32 ( 32 )"], ["cva and hedges of cva", "-130 ( 130 )", "127", "-769 ( 769 )"], ["net gains/ ( losses )", "$ -272 ( 272 )", "$ -36 ( 36 )", "$ -801 ( 801 )"]], "table_ori": [["Year ended December 31,(in millions)", "2013", "2012", "2011"], ["Hedges of loans and lending-related commitments", "$(142)", "$(163)", "$(32)"], ["CVA and hedges of CVA", "(130)", "127", "(769)"], ["Net gains/(losses)", "$(272)", "$(36)", "$(801)"]]}

Question: at december 31 , 2013 , what percent of loans were non-residential loans?
Evidence:
text_12: at december 31 , 2013 and 2012 , 50% ( 50 % ) and 62% ( 62 % ) , respectively , of the cra portfolio were residential mortgage loans ; 26% ( 26 % ) and 13% ( 13 % ) , respectively , were commercial real estate loans ; 16% ( 16 % ) and 18% ( 18 % ) , respectively , were business banking loans ; and 8% ( 8 % ) and 7% ( 7 % ) , respectively , were other loans .
Program: add(26, 16)
Answer:
str_answer: 50
exe_answer: 42