Alright, let's work through 83837934 times 70661201 step by step
83837934 × 70661201 = 70661201 × (83837934)
+ 70661201 × 4 that is equal 282644804
+ 70661201 × 30 that equals 2119836030
+ 70661201 × 900 that equals 63595080900
+ 70661201 × 7000 yielding 494628407000
+ 70661201 × 30000 yielding 2119836030000
+ 70661201 × 800000 which equals 56528960800000
+ 70661201 × 3000000 yielding 211983603000000
+ 70661201 × 80000000 that is equal 5652896080000000

= 5924089105798734
