Alright, let's work through 87420734 times 47620182 step by step
87420734 × 47620182 = 47620182 × (87420734)
+ 47620182 × 4 yielding 190480728
+ 47620182 × 30 that is equal 1428605460
+ 47620182 × 700 yielding 33334127400
+ 47620182 × 0000 resulting in 0
+ 47620182 × 20000 producing 952403640000
+ 47620182 × 400000 which equals 19048072800000
+ 47620182 × 7000000 that equals 333341274000000
+ 47620182 × 80000000 that equals 3809614560000000

= 4162991263653588
