Alright, let's work through 84184920 times 75584107 step by step
84184920 × 75584107 = 75584107 × (84184920)
+ 75584107 × 0 that equals 0
+ 75584107 × 20 giving us 1511682140
+ 75584107 × 900 yielding 68025696300
+ 75584107 × 4000 giving us 302336428000
+ 75584107 × 80000 that is equal 6046728560000
+ 75584107 × 100000 that is equal 7558410700000
+ 75584107 × 4000000 that results in 302336428000000
+ 75584107 × 80000000 that is equal 6046728560000000

= 6363042001066440
