Alright, let's work through 9128 times 4230 step by step
9128 × 4230 = 4230 × (9128)
+ 4230 × 8 what gives us 33840
+ 4230 × 20 giving us 84600
+ 4230 × 100 which equals 423000
+ 4230 × 9000 that is equal 38070000

= 38611440
