Alright, let's work through 83747404 times 56820704 step by step
83747404 × 56820704 = 56820704 × (83747404)
+ 56820704 × 4 yielding 227282816
+ 56820704 × 00 that is equal 0
+ 56820704 × 400 that equals 22728281600
+ 56820704 × 7000 producing 397744928000
+ 56820704 × 40000 which equals 2272828160000
+ 56820704 × 700000 producing 39774492800000
+ 56820704 × 3000000 that is equal 170462112000000
+ 56820704 × 80000000 producing 4545656320000000

= 4758586453452416
