what portion of the boston property will be offered for sub-lease?
Important information:
text_1: properties our principal offices are located in boston , southborough and woburn , massachusetts ; atlanta , georgia ; mexico city , mexico ; and sao paulo , brazil .
table_1: location the boston of function is corporate headquarters ; us tower division ; the boston of size ( square feet ) is 30000 ( 1 ) ; the boston of property interest is leased ;
text_5: these offices are located in ontario , california ; marietta , georgia ; crest hill , illinois ; worcester , massachusetts ; new hudson , michigan ; mount pleasant , south carolina ; and kent , washington .
Reasoning Steps:
Step: minus1-1(30000, 20000) = 10000
Step: divide1-2(#0, 30000) = 33.3%
Program:
subtract(30000, 20000), divide(#0, 30000)
Program (Nested):
divide(subtract(30000, 20000), 30000)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
item 2 . properties our principal offices are located in boston , southborough and woburn , massachusetts ; atlanta , georgia ; mexico city , mexico ; and sao paulo , brazil . details of each of these offices are provided below: .
Table
location     | function                                    | size ( square feet )               | property interest
boston       | corporate headquarters ; us tower division  | 30000 ( 1 )                        | leased           
southborough | data center                                 | 13900                              | leased           
woburn       | lease administration                        | 34000                              | owned            
atlanta      | us tower and services division ; accounting | 17900 ( rental ) 4800 ( services ) | leased           
mexico city  | mexico headquarters                         | 12300                              | leased           
sao paulo    | brazil headquarters                         | 3200                               | leased           
( 1 ) of the total 30000 square feet in our current leasehold , we are consolidating our operations into 20000 square feet during 2004 and are currently offering the remaining 10000 square feet for re-lease or sub-lease . we have seven additional area offices in the united states through which our tower leasing and services businesses are operated on a local basis . these offices are located in ontario , california ; marietta , georgia ; crest hill , illinois ; worcester , massachusetts ; new hudson , michigan ; mount pleasant , south carolina ; and kent , washington . in addition , we maintain smaller field offices within each of the areas at locations as needed from time to time . our interests in individual communications sites are comprised of a variety of fee and leasehold interests in land and/or buildings ( rooftops ) . of the approximately 15000 towers comprising our portfolio , approximately 16% ( 16 % ) are located on parcels of land that we own and approximately 84% ( 84 % ) are either located on parcels of land that have leasehold interests created by long-term lease agreements , private easements and easements , licenses or rights-of-way granted by government entities , or are sites that we manage for third parties . in rural areas , a wireless communications site typically consists of a 10000 square foot tract , which supports towers , equipment shelters and guy wires to stabilize the structure , whereas a broadcast tower site typically consists of a tract of land of up to twenty-acres . less than 2500 square feet are required for a monopole or self-supporting tower structure of the kind typically used in metropolitan areas for wireless communication tower sites . land leases generally have an initial term of five years with three or four additional automatic renewal periods of five years , for a total of twenty to twenty-five years . pursuant to our credit facilities , our lenders have liens on , among other things , all towers , leasehold interests , tenant leases and contracts relating to the management of towers for others . we believe that our owned and leased facilities are suitable and adequate to meet our anticipated needs . item 3 . legal proceedings we periodically become involved in various claims and lawsuits that are incidental to our business . we believe , after consultation with counsel , that no matters currently pending would , in the event of an adverse outcome , have a material impact on our consolidated financial position , results of operations or liquidity . item 4 . submission of matters to a vote of security holders .
Question: 
what portion of the boston property will be offered for sub-lease?
Important information:
text_1: properties our principal offices are located in boston , southborough and woburn , massachusetts ; atlanta , georgia ; mexico city , mexico ; and sao paulo , brazil .
table_1: location the boston of function is corporate headquarters ; us tower division ; the boston of size ( square feet ) is 30000 ( 1 ) ; the boston of property interest is leased ;
text_5: these offices are located in ontario , california ; marietta , georgia ; crest hill , illinois ; worcester , massachusetts ; new hudson , michigan ; mount pleasant , south carolina ; and kent , washington .
Reasoning Steps:
Step: minus1-1(30000, 20000) = 10000
Step: divide1-2(#0, 30000) = 33.3%
Program:
subtract(30000, 20000), divide(#0, 30000)
Program (Nested):
divide(subtract(30000, 20000), 30000)
