{"pre_text": ["mastercard incorporated notes to consolidated financial statements 2014 ( continued ) ( in thousands , except percent and per share data ) equity awards was $ 30333 , $ 20726 and $ 19828 for the years ended december 31 , 2009 , 2008 and 2007 , respectively .", "the income tax benefit related to options exercised during 2009 was $ 7545 .", "the additional paid-in capital balance attributed to the equity awards was $ 197350 , $ 135538 and $ 114637 as of december 31 , 2009 , 2008 and 2007 , respectively .", "on july 18 , 2006 , the company 2019s stockholders approved the mastercard incorporated 2006 non-employee director equity compensation plan ( the 201cdirector plan 201d ) .", "the director plan provides for awards of deferred stock units ( 201cdsus 201d ) to each director of the company who is not a current employee of the company .", "there are 100 shares of class a common stock reserved for dsu awards under the director plan .", "during the years ended december 31 , 2009 , 2008 and 2007 , the company granted 7 dsus , 4 dsus and 8 dsus , respectively .", "the fair value of the dsus was based on the closing stock price on the new york stock exchange of the company 2019s class a common stock on the date of grant .", "the weighted average grant-date fair value of dsus granted during the years ended december 31 , 2009 , 2008 and 2007 was $ 168.18 , $ 284.92 and $ 139.27 , respectively .", "the dsus vested immediately upon grant and will be settled in shares of the company 2019s class a common stock on the fourth anniversary of the date of grant .", "accordingly , the company recorded general and administrative expense of $ 1151 , $ 1209 and $ 1051 for the dsus for the years ended december 31 , 2009 , 2008 and 2007 , respectively .", "the total income tax benefit recognized in the income statement for dsus was $ 410 , $ 371 and $ 413 for the years ended december 31 , 2009 , 2008 and 2007 , respectively .", "note 18 .", "commitments at december 31 , 2009 , the company had the following future minimum payments due under non-cancelable agreements : capital leases operating leases sponsorship , licensing & ."], "post_text": ["included in the table above are capital leases with imputed interest expense of $ 7929 and a net present value of minimum lease payments of $ 43845 .", "in addition , at december 31 , 2009 , $ 63616 of the future minimum payments in the table above for leases , sponsorship , licensing and other agreements was accrued .", "consolidated rental expense for the company 2019s office space , which is recognized on a straight line basis over the life of the lease , was approximately $ 39586 , $ 42905 and $ 35614 for the years ended december 31 , 2009 , 2008 and 2007 , respectively .", "consolidated lease expense for automobiles , computer equipment and office equipment was $ 9137 , $ 7694 and $ 7679 for the years ended december 31 , 2009 , 2008 and 2007 , respectively .", "in january 2003 , mastercard purchased a building in kansas city , missouri for approximately $ 23572 .", "the building is a co-processing data center which replaced a back-up data center in lake success , new york .", "during 2003 , mastercard entered into agreements with the city of kansas city for ( i ) the sale-leaseback of the building and related equipment which totaled $ 36382 and ( ii ) the purchase of municipal bonds for the same amount ."], "table": [["", "total", "capital leases", "operating leases", "sponsorship licensing & other"], ["2010", "$ 283987", "$ 7260", "$ 25978", "$ 250749"], ["2011", "146147", "4455", "17710", "123982"], ["2012", "108377", "3221", "15358", "89798"], ["2013", "59947", "36838", "10281", "12828"], ["2014", "13998", "2014", "8371", "5627"], ["thereafter", "25579", "2014", "22859", "2720"], ["total", "$ 638035", "$ 51774", "$ 100557", "$ 485704"]], "table_ori": [["", "Total", "Capital Leases", "Operating Leases", "Sponsorship, Licensing & Other"], ["2010", "$283,987", "$7,260", "$25,978", "$250,749"], ["2011", "146,147", "4,455", "17,710", "123,982"], ["2012", "108,377", "3,221", "15,358", "89,798"], ["2013", "59,947", "36,838", "10,281", "12,828"], ["2014", "13,998", "—", "8,371", "5,627"], ["Thereafter", "25,579", "—", "22,859", "2,720"], ["Total", "$638,035", "$51,774", "$100,557", "$485,704"]]}

Question: what was the average rental expense from 2007 to 2009
Evidence:
text_9: the dsus vested immediately upon grant and will be settled in shares of the company 2019s class a common stock on the fourth anniversary of the date of grant .
text_16: consolidated rental expense for the company 2019s office space , which is recognized on a straight line basis over the life of the lease , was approximately $ 39586 , $ 42905 and $ 35614 for the years ended december 31 , 2009 , 2008 and 2007 , respectively .
Program: add(39586, 42905), add(#0, 35614), add(#1, const_3), divide(#2, const_2)
Answer:
str_answer: 39368
exe_answer: 59054