47000-7000=40000
875000-70000=805000
34000-3000=31000
351000-50000-1000=300000
50000+4000=54000
400000+20000+3000=423000
47000-7000=40000
875000-70000=805000
34000-3000=31000
351000-50000-1000=300000
50000+4000=54000
400000+20000+3000=423000