Alright, let's work through 83409801 times 3364840 step by step
83409801 × 3364840 = 3364840 × (83409801)
+ 3364840 × 1 producing 3364840
+ 3364840 × 00 what gives us 0
+ 3364840 × 800 that equals 2691872000
+ 3364840 × 9000 yielding 30283560000
+ 3364840 × 00000 that is equal 0
+ 3364840 × 400000 giving us 1345936000000
+ 3364840 × 3000000 what gives us 10094520000000
+ 3364840 × 80000000 that is equal 269187200000000

= 280660634796840
