Alright, let's work through 66260041 times 59865720 step by step
66260041 × 59865720 = 59865720 × (66260041)
+ 59865720 × 1 yielding 59865720
+ 59865720 × 40 resulting in 2394628800
+ 59865720 × 000 yielding 0
+ 59865720 × 0000 that results in 0
+ 59865720 × 60000 that results in 3591943200000
+ 59865720 × 200000 what gives us 11973144000000
+ 59865720 × 6000000 that results in 359194320000000
+ 59865720 × 60000000 resulting in 3591943200000000

= 3966705061694520
