Alright, let's work through 66426738 times 63267099 step by step
66426738 × 63267099 = 63267099 × (66426738)
+ 63267099 × 8 which equals 506136792
+ 63267099 × 30 which equals 1898012970
+ 63267099 × 700 giving us 44286969300
+ 63267099 × 6000 giving us 379602594000
+ 63267099 × 20000 what gives us 1265341980000
+ 63267099 × 400000 giving us 25306839600000
+ 63267099 × 6000000 which equals 379602594000000
+ 63267099 × 60000000 giving us 3796025940000000

= 4202627009293062
