We're going to solve 4159 multiplied by 6380
4159 × 6380 = 6380 × (4159)
+ 6380 × 9 which equals 57420
+ 6380 × 50 giving us 319000
+ 6380 × 100 giving us 638000
+ 6380 × 4000 what gives us 25520000

= 26534420
