Alright, let's work through 71675921 times 64969841 step by step
71675921 × 64969841 = 64969841 × (71675921)
+ 64969841 × 1 resulting in 64969841
+ 64969841 × 20 which equals 1299396820
+ 64969841 × 900 producing 58472856900
+ 64969841 × 5000 resulting in 324849205000
+ 64969841 × 70000 that results in 4547888870000
+ 64969841 × 600000 that equals 38981904600000
+ 64969841 × 1000000 that results in 64969841000000
+ 64969841 × 70000000 that equals 4547888870000000

= 4656773190898561
