Alright, let's work through 75360887 times 40539144 step by step
75360887 × 40539144 = 40539144 × (75360887)
+ 40539144 × 7 resulting in 283774008
+ 40539144 × 80 producing 3243131520
+ 40539144 × 800 giving us 32431315200
+ 40539144 × 0000 what gives us 0
+ 40539144 × 60000 yielding 2432348640000
+ 40539144 × 300000 that results in 12161743200000
+ 40539144 × 5000000 that equals 202695720000000
+ 40539144 × 70000000 giving us 2837740080000000

= 3055065850060728
