Alright, let's work through 13774816 times 71397861 step by step
13774816 × 71397861 = 71397861 × (13774816)
+ 71397861 × 6 that is equal 428387166
+ 71397861 × 10 that is equal 713978610
+ 71397861 × 800 that is equal 57118288800
+ 71397861 × 4000 resulting in 285591444000
+ 71397861 × 70000 producing 4997850270000
+ 71397861 × 700000 what gives us 49978502700000
+ 71397861 × 3000000 that results in 214193583000000
+ 71397861 × 10000000 which equals 713978610000000

= 983492398068576
