Question

31440+1040:(150-2400:(67+53))x20

Answer 1

1)67+53=120
2)2400/120=20
3)150-20=130
4)1040/130=8
5)8*20=160
6)31440+160=31600

Answer 2

67+53=120
2400/120=20
150-20=130
1040/130=8
8*20=160
31440+160=31600