too hard
526,043,000
200000000 + 20000000 = 220000000
1 - 15 = -14 + 20000000 = 19,999,986
20000000
20,000,003
40000 + 600 + 9000 + 49614 = 99214
40000 + 10000 = 50000
200 + 40000 = 40,200
40000*0.01=400 40000+400=40400
10% of 40000 is 4000, so 4000 + 40000 = 44000
49801 + 34400 + 64600 + 59100 + 40000 = 247,901
9,040,000