Alright, let's work through 83525209 times 74022120 step by step
83525209 × 74022120 = 74022120 × (83525209)
+ 74022120 × 9 producing 666199080
+ 74022120 × 00 yielding 0
+ 74022120 × 200 what gives us 14804424000
+ 74022120 × 5000 that is equal 370110600000
+ 74022120 × 20000 producing 1480442400000
+ 74022120 × 500000 giving us 37011060000000
+ 74022120 × 3000000 that equals 222066360000000
+ 74022120 × 80000000 which equals 5921769600000000

= 6182713043623080
