Alright, let's work through 47397139 times 99669703 step by step
47397139 × 99669703 = 99669703 × (47397139)
+ 99669703 × 9 that equals 897027327
+ 99669703 × 30 producing 2990091090
+ 99669703 × 100 that equals 9966970300
+ 99669703 × 7000 that equals 697687921000
+ 99669703 × 90000 yielding 8970273270000
+ 99669703 × 300000 giving us 29900910900000
+ 99669703 × 7000000 that is equal 697687921000000
+ 99669703 × 40000000 giving us 3986788120000000

= 4724058767179717
