Alright, let's work through 47857340 times 84394268 step by step
47857340 × 84394268 = 84394268 × (47857340)
+ 84394268 × 0 producing 0
+ 84394268 × 40 producing 3375770720
+ 84394268 × 300 yielding 25318280400
+ 84394268 × 7000 producing 590759876000
+ 84394268 × 50000 resulting in 4219713400000
+ 84394268 × 800000 yielding 67515414400000
+ 84394268 × 7000000 which equals 590759876000000
+ 84394268 × 40000000 that results in 3375770720000000

= 4038885177727120
