31100-(4180*3+236*8)= (2600-2320)/4+140*3 5110*6-99/33= 8130*5+72/24= 7150*6-70/14=

7150 * 6 – 70 / 14 = 42895 7150*6=42900 70/14=5 42900-5=42895 8130 * 5 + 72 / 24 = 40653 8130*5=40650 72/24=3 40650+3=40653 5110 * 6 – 99 / 33 = 30657 5110*6=30660 99/33=3 30660-3=30657 (2600 – 2320) / 4 + 140 * 3 = 490 2600-2320=280 280:4=70 140*3=420  70+420 = 490 31100-(4180*3+236*8)=16672 14180×3=12540  236×8=1888 12540+1888=14428 31100-14428=16672