Alright, let's work through 8013086 times 39139628 step by step
8013086 × 39139628 = 39139628 × (8013086)
+ 39139628 × 6 resulting in 234837768
+ 39139628 × 80 that is equal 3131170240
+ 39139628 × 000 that equals 0
+ 39139628 × 3000 yielding 117418884000
+ 39139628 × 10000 that is equal 391396280000
+ 39139628 × 000000 that results in 0
+ 39139628 × 8000000 which equals 313117024000000

= 313629205172008
