Alright, let's work through 62137984 times 13748470 step by step
62137984 × 13748470 = 13748470 × (62137984)
+ 13748470 × 4 giving us 54993880
+ 13748470 × 80 resulting in 1099877600
+ 13748470 × 900 yielding 12373623000
+ 13748470 × 7000 producing 96239290000
+ 13748470 × 30000 what gives us 412454100000
+ 13748470 × 100000 resulting in 1374847000000
+ 13748470 × 2000000 which equals 27496940000000
+ 13748470 × 60000000 that results in 824908200000000

= 854302208884480
