Alright, let's work through 78187477 times 99465426 step by step
78187477 × 99465426 = 99465426 × (78187477)
+ 99465426 × 7 which equals 696257982
+ 99465426 × 70 that is equal 6962579820
+ 99465426 × 400 producing 39786170400
+ 99465426 × 7000 which equals 696257982000
+ 99465426 × 80000 giving us 7957234080000
+ 99465426 × 100000 producing 9946542600000
+ 99465426 × 8000000 giving us 795723408000000
+ 99465426 × 70000000 that equals 6962579820000000

= 7776950707670202
