No problem, we've got 13420383 and 35706549 to multiply
13420383 × 35706549 = 35706549 × (13420383)
+ 35706549 × 3 what gives us 107119647
+ 35706549 × 80 that equals 2856523920
+ 35706549 × 300 which equals 10711964700
+ 35706549 × 0000 which equals 0
+ 35706549 × 20000 giving us 714130980000
+ 35706549 × 400000 that results in 14282619600000
+ 35706549 × 3000000 giving us 107119647000000
+ 35706549 × 10000000 what gives us 357065490000000

= 479195563188267
