{"pre_text": ["there were no changes in the company 2019s valuation techniques used to measure fair values on a recurring basis as a result of adopting asc 820 .", "pca had no assets or liabilities that were measured on a nonrecurring basis .", "11 .", "stockholders 2019 equity on october 17 , 2007 , pca announced that its board of directors authorized a $ 150.0 million common stock repurchase program .", "there is no expiration date for the common stock repurchase program .", "through december 31 , 2008 , the company repurchased 3818729 shares of common stock , with 3142600 shares repurchased during 2008 and 676129 shares repurchased during 2007 .", "all repurchased shares were retired prior to december 31 , 2008 .", "there were no shares repurchased in 2009 .", "as of december 31 , 2009 , $ 65.0 million of the $ 150.0 million authorization remained available for repurchase of the company 2019s common stock .", "12 .", "commitments and contingencies capital commitments the company had authorized capital commitments of approximately $ 41.7 million and $ 43.0 million as of december 31 , 2009 and 2008 , respectively , in connection with the expansion and replacement of existing facilities and equipment .", "in addition , commitments at december 31 , 2009 for the major energy optimization projects at its counce and valdosta mills totaled $ 156.3 million .", "lease obligations pca leases space for certain of its facilities and cutting rights to approximately 91000 acres of timberland under long-term leases .", "the company also leases equipment , primarily vehicles and rolling stock , and other assets under long-term leases with a duration of two to seven years .", "the minimum lease payments under non-cancelable operating leases with lease terms in excess of one year are as follows: ."], "post_text": ["total lease expense , including base rent on all leases and executory costs , such as insurance , taxes , and maintenance , for the years ended december 31 , 2009 , 2008 and 2007 was $ 41.3 million , $ 41.6 million and $ 39.8 million , respectively .", "these costs are included in cost of goods sold and selling and administrative expenses .", "pca was obligated under capital leases covering buildings and machinery and equipment in the amount of $ 23.1 million and $ 23.7 million at december 31 , 2009 and 2008 , respectively .", "during the fourth quarter of 2008 , the company entered into a capital lease relating to buildings and machinery , totaling $ 23.9 million , payable over 20 years .", "this capital lease amount is a non-cash transaction and , accordingly , has been excluded packaging corporation of america notes to consolidated financial statements ( continued ) december 31 , 2009 ."], "table": [["", "( in thousands )"], ["2010", "$ 28162"], ["2011", "25181"], ["2012", "17338"], ["2013", "11557"], ["2014", "7742"], ["thereafter", "18072"], ["total", "$ 108052"]], "table_ori": [["", "(In thousands)"], ["2010", "$28,162"], ["2011", "25,181"], ["2012", "17,338"], ["2013", "11,557"], ["2014", "7,742"], ["Thereafter", "18,072"], ["Total", "$108,052"]]}

Question: capital leases covering buildings and machinery and equipment in millions totaled what for 2009 and 2008?
Evidence:
text_12: lease obligations pca leases space for certain of its facilities and cutting rights to approximately 91000 acres of timberland under long-term leases .
text_17: pca was obligated under capital leases covering buildings and machinery and equipment in the amount of $ 23.1 million and $ 23.7 million at december 31 , 2009 and 2008 , respectively .
Program: add(23.1, 23.7)
Answer:
str_answer: 46.8
exe_answer: 46.8