Alright, let's work through 83642930 times 13355202 step by step
83642930 × 13355202 = 13355202 × (83642930)
+ 13355202 × 0 which equals 0
+ 13355202 × 30 that is equal 400656060
+ 13355202 × 900 that equals 12019681800
+ 13355202 × 2000 what gives us 26710404000
+ 13355202 × 40000 yielding 534208080000
+ 13355202 × 600000 that results in 8013121200000
+ 13355202 × 3000000 that is equal 40065606000000
+ 13355202 × 80000000 what gives us 1068416160000000

= 1117068226021860
