{"pre_text": ["transfer agent and registrar for common stock the transfer agent and registrar for our common stock is : computershare shareowner services llc 480 washington boulevard 29th floor jersey city , new jersey 07310 telephone : ( 877 ) 363-6398 sales of unregistered securities not applicable .", "repurchase of equity securities the following table provides information regarding our purchases of our equity securities during the period from october 1 , 2015 to december 31 , 2015 .", "total number of shares ( or units ) purchased 1 average price paid per share ( or unit ) 2 total number of shares ( or units ) purchased as part of publicly announced plans or programs 3 maximum number ( or approximate dollar value ) of shares ( or units ) that may yet be purchased under the plans or programs 3 ."], "post_text": ["1 included shares of our common stock , par value $ 0.10 per share , withheld under the terms of grants under employee stock-based compensation plans to offset tax withholding obligations that occurred upon vesting and release of restricted shares ( the 201cwithheld shares 201d ) .", "we repurchased 1004 withheld shares in october 2015 , 1777 withheld shares in november 2015 and 9342 withheld shares in december 2015 .", "2 the average price per share for each of the months in the fiscal quarter and for the three-month period was calculated by dividing the sum of the applicable period of the aggregate value of the tax withholding obligations and the aggregate amount we paid for shares acquired under our stock repurchase program , described in note 5 to the consolidated financial statements , by the sum of the number of withheld shares and the number of shares acquired in our stock repurchase program .", "3 in february 2015 , the board authorized a share repurchase program to repurchase from time to time up to $ 300.0 million , excluding fees , of our common stock ( the 201c2015 share repurchase program 201d ) .", "on february 12 , 2016 , we announced that our board had approved a new share repurchase program to repurchase from time to time up to $ 300.0 million , excluding fees , of our common stock .", "the new authorization is in addition to any amounts remaining for repurchase under the 2015 share repurchase program .", "there is no expiration date associated with the share repurchase programs. ."], "table": [["", "total number ofshares ( or units ) purchased1", "average price paidper share ( or unit ) 2", "total number ofshares ( or units ) purchased as part ofpublicly announcedplans or programs3", "maximum number ( or approximate dollar value ) of shares ( or units ) that may yet be purchased under the plans or programs3"], ["october 1 - 31", "2140511", "$ 20.54", "2139507", "$ 227368014"], ["november 1 - 30", "1126378", "$ 22.95", "1124601", "$ 201557625"], ["december 1 - 31", "1881992", "$ 22.97", "1872650", "$ 158553178"], ["total", "5148881", "$ 21.96", "5136758", ""]], "table_ori": [["", "Total Number ofShares (or Units)Purchased<sup>1</sup>", "Average Price Paidper Share (or Unit)<sup>2</sup>", "Total Number ofShares (or Units)Purchased as Part ofPublicly AnnouncedPlans or Programs<sup>3</sup>", "Maximum Number (or Approximate Dollar Value) of Shares (or Units) that May Yet Be Purchased Under the Plans or Programs<sup>3</sup>"], ["October 1 - 31", "2,140,511", "$20.54", "2,139,507", "$227,368,014"], ["November 1 - 30", "1,126,378", "$22.95", "1,124,601", "$201,557,625"], ["December 1 - 31", "1,881,992", "$22.97", "1,872,650", "$158,553,178"], ["Total", "5,148,881", "$21.96", "5,136,758", ""]]}

Question: what is the average number of total shares purchased in october and november?
Evidence:
table_1: the october 1 - 31 of total number ofshares ( or units ) purchased1 is 2140511 ; the october 1 - 31 of average price paidper share ( or unit ) 2 is $ 20.54 ; the october 1 - 31 of total number ofshares ( or units ) purchased as part ofpublicly announcedplans or programs3 is 2139507 ; the october 1 - 31 of maximum number ( or approximate dollar value ) of shares ( or units ) that may yet be purchased under the plans or programs3 is $ 227368014 ;
table_2: the november 1 - 30 of total number ofshares ( or units ) purchased1 is 1126378 ; the november 1 - 30 of average price paidper share ( or unit ) 2 is $ 22.95 ; the november 1 - 30 of total number ofshares ( or units ) purchased as part ofpublicly announcedplans or programs3 is 1124601 ; the november 1 - 30 of maximum number ( or approximate dollar value ) of shares ( or units ) that may yet be purchased under the plans or programs3 is $ 201557625 ;
text_2: total number of shares ( or units ) purchased 1 average price paid per share ( or unit ) 2 total number of shares ( or units ) purchased as part of publicly announced plans or programs 3 maximum number ( or approximate dollar value ) of shares ( or units ) that may yet be purchased under the plans or programs 3 .
Program: add(2140511, 1126378), divide(#0, 2)
Answer:
str_answer: 1683444.5
exe_answer: 1633444.5