Alright, let's work through 84544015 times 68826742 step by step
84544015 × 68826742 = 68826742 × (84544015)
+ 68826742 × 5 that equals 344133710
+ 68826742 × 10 resulting in 688267420
+ 68826742 × 000 that equals 0
+ 68826742 × 4000 that equals 275306968000
+ 68826742 × 40000 yielding 2753069680000
+ 68826742 × 500000 resulting in 34413371000000
+ 68826742 × 4000000 which equals 275306968000000
+ 68826742 × 80000000 giving us 5506139360000000

= 5818889108049130
