Alright, let's work through 77628481 times 43149152 step by step
77628481 × 43149152 = 43149152 × (77628481)
+ 43149152 × 1 giving us 43149152
+ 43149152 × 80 which equals 3451932160
+ 43149152 × 400 yielding 17259660800
+ 43149152 × 8000 that is equal 345193216000
+ 43149152 × 20000 giving us 862983040000
+ 43149152 × 600000 which equals 25889491200000
+ 43149152 × 7000000 giving us 302044064000000
+ 43149152 × 70000000 that is equal 3020440640000000

= 3349603126198112
