Alright, let's work through 84504234 times 68210392 step by step
84504234 × 68210392 = 68210392 × (84504234)
+ 68210392 × 4 yielding 272841568
+ 68210392 × 30 yielding 2046311760
+ 68210392 × 200 giving us 13642078400
+ 68210392 × 4000 that equals 272841568000
+ 68210392 × 00000 producing 0
+ 68210392 × 500000 which equals 34105196000000
+ 68210392 × 4000000 yielding 272841568000000
+ 68210392 × 80000000 producing 5456831360000000

= 5764066926799728
