Alright, let's work through 99379564 times 57468545 step by step
99379564 × 57468545 = 57468545 × (99379564)
+ 57468545 × 4 resulting in 229874180
+ 57468545 × 60 which equals 3448112700
+ 57468545 × 500 what gives us 28734272500
+ 57468545 × 9000 that is equal 517216905000
+ 57468545 × 70000 resulting in 4022798150000
+ 57468545 × 300000 giving us 17240563500000
+ 57468545 × 9000000 producing 517216905000000
+ 57468545 × 90000000 what gives us 5172169050000000

= 5711198945814380
