Alright, let's work through 90743882 times 70200712 step by step
90743882 × 70200712 = 70200712 × (90743882)
+ 70200712 × 2 that results in 140401424
+ 70200712 × 80 that results in 5616056960
+ 70200712 × 800 yielding 56160569600
+ 70200712 × 3000 giving us 210602136000
+ 70200712 × 40000 that results in 2808028480000
+ 70200712 × 700000 yielding 49140498400000
+ 70200712 × 0000000 what gives us 0
+ 70200712 × 90000000 which equals 6318064080000000

= 6370285126043984
