Short scale: 54 billion / 7 million ~= 7.71 thousand
Long scale: 54 billion / 7 million ~= 7.71 million
[US uses short scale, Europe uses long scale, UK government used long scale until sometime in the 1970s and now uses short scale.]
1
2.8571
0.05
1.1667
0.0103
7
1.1667
1.4
0.3
1.2857
0.5385
0.0088