Alright, let's work through 87641794 times 42982361 step by step
87641794 × 42982361 = 42982361 × (87641794)
+ 42982361 × 4 resulting in 171929444
+ 42982361 × 90 yielding 3868412490
+ 42982361 × 700 resulting in 30087652700
+ 42982361 × 1000 that equals 42982361000
+ 42982361 × 40000 which equals 1719294440000
+ 42982361 × 600000 yielding 25789416600000
+ 42982361 × 7000000 what gives us 300876527000000
+ 42982361 × 80000000 that equals 3438588880000000

= 3767051228395634
