Alright, let's work through 68154843 times 80438164 step by step
68154843 × 80438164 = 80438164 × (68154843)
+ 80438164 × 3 yielding 241314492
+ 80438164 × 40 yielding 3217526560
+ 80438164 × 800 that is equal 64350531200
+ 80438164 × 4000 that is equal 321752656000
+ 80438164 × 50000 what gives us 4021908200000
+ 80438164 × 100000 resulting in 8043816400000
+ 80438164 × 8000000 that is equal 643505312000000
+ 80438164 × 60000000 giving us 4826289840000000

= 5482250438628252
