In the context of this series of interconnected finance-related queries and the additional information provided by the pretext, table data, and posttext from a company's financial filings, please provide a response to the final question. This may require extracting information from the context and performing mathematical calculations. Please take into account the information provided in the preceding questions and their answers when formulating your response:
Context: federal realty investment trust schedule iii summary of real estate and accumulated depreciation 2014continued three years ended december 31 , 2009 reconciliation of accumulated depreciation and amortization ( in thousands ) . <table class='wikitable'><tr><td>1</td><td>balance december 31 2006</td><td>$ 740507</td></tr><tr><td>2</td><td>additions during period 2014depreciation and amortization expense</td><td>96454</td></tr><tr><td>3</td><td>deductions during period 2014disposition and retirements of property</td><td>-80258 ( 80258 )</td></tr><tr><td>4</td><td>balance december 31 2007</td><td>756703</td></tr><tr><td>5</td><td>additions during period 2014depreciation and amortization expense</td><td>101321</td></tr><tr><td>6</td><td>deductions during period 2014disposition and retirements of property</td><td>-11766 ( 11766 )</td></tr><tr><td>7</td><td>balance december 31 2008</td><td>846258</td></tr><tr><td>8</td><td>additions during period 2014depreciation and amortization expense</td><td>103.698</td></tr><tr><td>9</td><td>deductions during period 2014disposition and retirements of property</td><td>-11869 ( 11869 )</td></tr><tr><td>10</td><td>balance december 31 2009</td><td>$ 938087</td></tr></table> .
Conversations: 
q0: combined, what were the additions in 2006 and 207? 197775.0
q1: and in 2008? 103.698
Question: and converting this value into millions?
Answer: