Alright, let's work through 75552463 times 43611921 step by step
75552463 × 43611921 = 43611921 × (75552463)
+ 43611921 × 3 giving us 130835763
+ 43611921 × 60 which equals 2616715260
+ 43611921 × 400 resulting in 17444768400
+ 43611921 × 2000 which equals 87223842000
+ 43611921 × 50000 which equals 2180596050000
+ 43611921 × 500000 what gives us 21805960500000
+ 43611921 × 5000000 what gives us 218059605000000
+ 43611921 × 70000000 yielding 3052834470000000

= 3294988047711423
