1233333 + 1233333 = 2,466,666
900 + 900 = 1800
29 + 69 + 900 = 998
400 + 900 + 1000 = 2300
1800
20000 + 2000 + 900 + 80 + 7 = 22987
900 + 60 + 3 + 0.4 + 0.03 = 963.43
600 + 500 + 800 + 900 + 9234 = 12034
50 + 900 + 8000009 + 567 = 8,001,526
The same as 900 x 2
900 + 500000000 = 500000900
900 + 3098 = 3998