Alright, let's work through 4031 times 220 step by step
4031 × 220 = 220 × (4031)
+ 220 × 1 which equals 220
+ 220 × 30 what gives us 6600
+ 220 × 000 what gives us 0
+ 220 × 4000 that results in 880000

= 886820
