122160÷8-123×86+307×96 по действиям в столбик

122160 : 8 - 123 * 86 + 307 * 96 = 
1) 122160 : 8 = 15270
2) 123 * 86 = 10578
123 * 6 = 738
123 * 8 = 984
73 + 84 = 157
9 + 1 = 10
10578
3) 307 * 96 = 29472
307 * 6 = 1842
307 * 9 = 2763
184 + 763 = 947
29472
4) 15270 - 10578 = 4692
10 - 8 = 2
7 - 1 = 6
16 - 7 = 9
2 - 1 = 1
11 - 5 = 6
5 - 1 = 4
4 - 0 = 4
1 - 1 = 0
4692
5) 4692 + 29472 = 34164
2 + 2 = 4
9 + 7 = 16
6 + 1 = 7
7 + 4 = 11
4 + 9 = 13
3 + 1 = 4
2 + 1 = 3
34164