Alright, let's work through 13478084 times 38816778 step by step
13478084 × 38816778 = 38816778 × (13478084)
+ 38816778 × 4 producing 155267112
+ 38816778 × 80 producing 3105342240
+ 38816778 × 000 what gives us 0
+ 38816778 × 8000 resulting in 310534224000
+ 38816778 × 70000 yielding 2717174460000
+ 38816778 × 400000 which equals 15526711200000
+ 38816778 × 3000000 producing 116450334000000
+ 38816778 × 10000000 what gives us 388167780000000

= 523175794493352
