Table:
agency
2017
preliminary

2018
% change 2017-18

all agencies
48724.6
50272.6
3.2

department of agriculture
202.1
195.8
-3.1

department of defense
37694.6
41980.4
11.4

advanced technology
5707.6
6432.1
12.7

major systems
31987
35548.3
11.1

department of energy
2349.5
2406.2
2.4

department of health and human services
92.4
69.5
-24.8

national aeronautics and space administration
6849.4
3964
-42.1

national science foundation
0
0
0

all other departments and agencies
1536.7
1656.7
7.8

Statement: nasa's experimental development obligations was $6.8 billion in fy 2017.
Question: how many million dollars was nasa's experimental development obligations in fy 2017?
Answer: [6849.4]