Alright, let's work through 84103584 times 69835369 step by step
84103584 × 69835369 = 69835369 × (84103584)
+ 69835369 × 4 yielding 279341476
+ 69835369 × 80 which equals 5586829520
+ 69835369 × 500 that results in 34917684500
+ 69835369 × 3000 giving us 209506107000
+ 69835369 × 00000 giving us 0
+ 69835369 × 100000 what gives us 6983536900000
+ 69835369 × 4000000 that equals 279341476000000
+ 69835369 × 80000000 which equals 5586829520000000

= 5873404822862496
