Alright, let's work through 83103308 times 70883766 step by step
83103308 × 70883766 = 70883766 × (83103308)
+ 70883766 × 8 that is equal 567070128
+ 70883766 × 00 yielding 0
+ 70883766 × 300 producing 21265129800
+ 70883766 × 3000 that results in 212651298000
+ 70883766 × 00000 giving us 0
+ 70883766 × 100000 what gives us 7088376600000
+ 70883766 × 3000000 yielding 212651298000000
+ 70883766 × 80000000 what gives us 5670701280000000

= 5890675438097928
