No problem, we've got 72873947 and 65809061 to multiply
72873947 × 65809061 = 65809061 × (72873947)
+ 65809061 × 7 giving us 460663427
+ 65809061 × 40 producing 2632362440
+ 65809061 × 900 yielding 59228154900
+ 65809061 × 3000 giving us 197427183000
+ 65809061 × 70000 yielding 4606634270000
+ 65809061 × 800000 that equals 52647248800000
+ 65809061 × 2000000 that is equal 131618122000000
+ 65809061 × 70000000 what gives us 4606634270000000

= 4795766023433767
