Alright, let's work through 4087 times 9128 step by step
4087 × 9128 = 9128 × (4087)
+ 9128 × 7 what gives us 63896
+ 9128 × 80 giving us 730240
+ 9128 × 000 that results in 0
+ 9128 × 4000 producing 36512000

= 37306136
