No problem, we've got 42287631 and 312773 to multiply
42287631 × 312773 = 312773 × (42287631)
+ 312773 × 1 resulting in 312773
+ 312773 × 30 that equals 9383190
+ 312773 × 600 what gives us 187663800
+ 312773 × 7000 what gives us 2189411000
+ 312773 × 80000 which equals 25021840000
+ 312773 × 200000 giving us 62554600000
+ 312773 × 2000000 what gives us 625546000000
+ 312773 × 40000000 that is equal 12510920000000

= 13226429210763
