Alright, let's work through 83793494 times 33275539 step by step
83793494 × 33275539 = 33275539 × (83793494)
+ 33275539 × 4 that is equal 133102156
+ 33275539 × 90 resulting in 2994798510
+ 33275539 × 400 which equals 13310215600
+ 33275539 × 3000 which equals 99826617000
+ 33275539 × 90000 which equals 2994798510000
+ 33275539 × 700000 that results in 23292877300000
+ 33275539 × 3000000 that is equal 99826617000000
+ 33275539 × 80000000 yielding 2662043120000000

= 2788273677543266
