Let's calculate 84096669 x 67066720
84096669 × 67066720 = 67066720 × (84096669)
+ 67066720 × 9 producing 603600480
+ 67066720 × 60 that results in 4024003200
+ 67066720 × 600 producing 40240032000
+ 67066720 × 6000 that results in 402400320000
+ 67066720 × 90000 producing 6036004800000
+ 67066720 × 000000 producing 0
+ 67066720 × 4000000 resulting in 268266880000000
+ 67066720 × 80000000 that results in 5365337600000000

= 5640087752755680
