what was the average net income from 2013 to 2015
Important information:
table_1: year ended december 31 ( in millions ) the net income of 2015 is $ 3624 ; the net income of 2014 is $ 3297 ; the net income of 2013 is $ 2122 ;
table_3: year ended december 31 ( in millions ) the employee benefit obligations net of 2015 is 60 ; the employee benefit obligations net of 2014 is -106 ( 106 ) ; the employee benefit obligations net of 2013 is 95 ;
table_6: year ended december 31 ( in millions ) the net ( income ) loss attributable to noncontrolling interests of 2015 is -210 ( 210 ) ; the net ( income ) loss attributable to noncontrolling interests of 2014 is -182 ( 182 ) ; the net ( income ) loss attributable to noncontrolling interests of 2013 is -154 ( 154 ) ;
Reasoning Steps:
Step: add1-1(3624, 3297) = 6921
Step: add1-2(2122, #0) = 9043
Step: add1-3(#1, const_3) = 6028.66
Step: divide0-0(#2, const_2) = 3014.33
Program:
add(3624, 3297), add(2122, #0), add(#1, const_3), divide(#2, const_2)
Program (Nested):
divide(add(add(2122, add(3624, 3297)), const_3), const_2)

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:
nbcuniversal media , llc consolidated statement of comprehensive income .
Table
year ended december 31 ( in millions )                                       | 2015         | 2014         | 2013        
net income                                                                   | $ 3624       | $ 3297       | $ 2122      
deferred gains ( losses ) on cash flow hedges net                            | -21 ( 21 )   | 25           | -5 ( 5 )    
employee benefit obligations net                                             | 60           | -106 ( 106 ) | 95          
currency translation adjustments net                                         | -121 ( 121 ) | -62 ( 62 )   | -41 ( 41 )  
comprehensive income                                                         | 3542         | 3154         | 2171        
net ( income ) loss attributable to noncontrolling interests                 | -210 ( 210 ) | -182 ( 182 ) | -154 ( 154 )
other comprehensive ( income ) loss attributable to noncontrolling interests | 29           | 2014         | 2014        
comprehensive income attributable to nbcuniversal                            | $ 3361       | $ 2972       | $ 2017      
see accompanying notes to consolidated financial statements . 147 comcast 2015 annual report on form 10-k .
Question: 
what was the average net income from 2013 to 2015
Important information:
table_1: year ended december 31 ( in millions ) the net income of 2015 is $ 3624 ; the net income of 2014 is $ 3297 ; the net income of 2013 is $ 2122 ;
table_3: year ended december 31 ( in millions ) the employee benefit obligations net of 2015 is 60 ; the employee benefit obligations net of 2014 is -106 ( 106 ) ; the employee benefit obligations net of 2013 is 95 ;
table_6: year ended december 31 ( in millions ) the net ( income ) loss attributable to noncontrolling interests of 2015 is -210 ( 210 ) ; the net ( income ) loss attributable to noncontrolling interests of 2014 is -182 ( 182 ) ; the net ( income ) loss attributable to noncontrolling interests of 2013 is -154 ( 154 ) ;
Reasoning Steps:
Step: add1-1(3624, 3297) = 6921
Step: add1-2(2122, #0) = 9043
Step: add1-3(#1, const_3) = 6028.66
Step: divide0-0(#2, const_2) = 3014.33
Program:
add(3624, 3297), add(2122, #0), add(#1, const_3), divide(#2, const_2)
Program (Nested):
divide(add(add(2122, add(3624, 3297)), const_3), const_2)
