No problem, we've got 42689421 and 5668313 to multiply
42689421 × 5668313 = 5668313 × (42689421)
+ 5668313 × 1 which equals 5668313
+ 5668313 × 20 yielding 113366260
+ 5668313 × 400 yielding 2267325200
+ 5668313 × 9000 what gives us 51014817000
+ 5668313 × 80000 what gives us 453465040000
+ 5668313 × 600000 yielding 3400987800000
+ 5668313 × 2000000 producing 11336626000000
+ 5668313 × 40000000 that results in 226732520000000

= 241977000016773
