Alright, let's work through 4026536 times 75513479 step by step
4026536 × 75513479 = 75513479 × (4026536)
+ 75513479 × 6 what gives us 453080874
+ 75513479 × 30 which equals 2265404370
+ 75513479 × 500 producing 37756739500
+ 75513479 × 6000 which equals 453080874000
+ 75513479 × 20000 which equals 1510269580000
+ 75513479 × 000000 that equals 0
+ 75513479 × 4000000 resulting in 302053916000000

= 304057741678744
