8,000 minus 900 is 7,100.
8000 − 598 = 7402
8000-500=7500.
8,000 minus 165 is 7,835.
8000
8000 - 30 = 7,970
24,000 − 8,000 = 16,000
7 billion minus 900 million = 6,100,000,000
1224 - 900 = 324
1,143 - 900 = 243
3000 minus 900 = 2100
900 - 20% = 720
745.14