We're going to solve 9421 multiplied by 4140
9421 × 4140 = 4140 × (9421)
+ 4140 × 1 that is equal 4140
+ 4140 × 20 what gives us 82800
+ 4140 × 400 yielding 1656000
+ 4140 × 9000 resulting in 37260000

= 39002940
