Alright, let's work through 62124001 times 63860581 step by step
62124001 × 63860581 = 63860581 × (62124001)
+ 63860581 × 1 that results in 63860581
+ 63860581 × 00 that results in 0
+ 63860581 × 000 resulting in 0
+ 63860581 × 4000 yielding 255442324000
+ 63860581 × 20000 yielding 1277211620000
+ 63860581 × 100000 which equals 6386058100000
+ 63860581 × 2000000 that equals 127721162000000
+ 63860581 × 60000000 that is equal 3831634860000000

= 3967274797904581
