98:7 = (70 + 28):7 = 70:7 + 28:7 = 10 + 4 = 14
72:6 = (60 + 12):6 = 60:6 + 12:6 = 10 + 2 = 12
81:3 = (60 + 21):3 = 60:3 + 21:3 = 20 + 7 = 27
354:3 = (300 + 30 + 24):3 = 300:3 + 30:3 + 24:3 = 100 + 10 + 8 = 118
785:5 = (500 + 250 + 35):5 = 500:5 + 250:5 + 35:5 = 100 + 50 + 7 = 157