1489-282*25/30+15276/19 = 2058
1) 282 × 25 = 7050
2) 7050 : 30 = 235
3) 15276 : 19 = 804
4) 1489 - 235 = 1254
5) 1254 + 804 = 2058
(47868+112812)/104+80*210 = 18345
1) 47868 + 112812 = 160680
2) 160680 : 104 = 1545
3) 80 × 210 = 16800
4) 1545 + 16800 = 18345