2.9667
890 billion is 890,000,000,000
300 billion is 300,000,000,000
890,000,000,000 / 300,000,000,000 is 2.966666667
And when you round it up, you get approximately 2.97
3.9 billion divided by 300 million = 0.013
0.0043
0.0047
0.0067
0.0043
0.01
300
0.0043
1
0.2467
0.0233
0.6333