30.3*(124.9-(48.96:6.8+36.04):9.2)

1) 48,96:6,8=7,2

2) 7,2+36,04=43,24

3) 43,24:9,2=4,7

4)124,9-4,7=120,2

5)30,3*120,2=3642,06

48.96:6.8=7.2 +36.04=43.24:9.2=4.7  124.9-4.7=120.2         30.3*120.2=3642.06