56 × 3 – (50 – 2 × 7) / 12 – 68 / (40 / 10) = 148
2*7=14
50-14=36
40/10=4
56*3=168
36/12=3
168-3=165
68/4=17
165-17=148
...................................
56 × 3 – (50 – 2 × 7) / 12 – 68 / (40 / 10) = 148
2*7=14
50-14=36
40/10=4
56*3=168
36/12=3
168-3=165
68/4=17
165-17=148
...................................