600 x 25000 = 1500,0000
1500 - 200 - 80 - 100 = 1120(萬)
600x25000=15000000
1500-(200+80+100)=1120
600✖️25000=1500000
2000000+800000+1000000=3800000
2300000
25000x600-2000000-800000-1000000=15000000-3800000=11200000
600×25000-(2000000+80000+1000000)
600*25000-2000000-800000-1000000
=15000000-3800000
=11200000