We're going to solve 2187 multiplied by 4073
2187 × 4073 = 4073 × (2187)
+ 4073 × 7 what gives us 28511
+ 4073 × 80 what gives us 325840
+ 4073 × 100 yielding 407300
+ 4073 × 2000 yielding 8146000

= 8907651
