We're going to solve 9100 multiplied by 4381
9100 × 4381 = 4381 × (9100)
+ 4381 × 0 which equals 0
+ 4381 × 00 resulting in 0
+ 4381 × 100 that equals 438100
+ 4381 × 9000 what gives us 39429000

= 39867100
