40:8+2*100=5+200=205
40:(8+2)*100=40:10*100=4*100=400
(40:8+2)*100=(5+2)*100=7*2=700
100-(40+36):4=100-76:4=100-19=81
(100-40+36):4=(60+36):4=96:4=24
100-(40+36:4)=100-(76:4)=100-19=81
900:9-6*10=100-60=40
600:100+50*10=6+500=506
70*5+3*100=350+300=650