No problem, we've got 66863643 and 18814048 to multiply
66863643 × 18814048 = 18814048 × (66863643)
+ 18814048 × 3 what gives us 56442144
+ 18814048 × 40 producing 752561920
+ 18814048 × 600 giving us 11288428800
+ 18814048 × 3000 that equals 56442144000
+ 18814048 × 60000 giving us 1128842880000
+ 18814048 × 800000 what gives us 15051238400000
+ 18814048 × 6000000 resulting in 112884288000000
+ 18814048 × 60000000 that results in 1128842880000000

= 1257975788856864
