No problem, we've got 42037930 and 21194142 to multiply
42037930 × 21194142 = 21194142 × (42037930)
+ 21194142 × 0 producing 0
+ 21194142 × 30 what gives us 635824260
+ 21194142 × 900 what gives us 19074727800
+ 21194142 × 7000 resulting in 148358994000
+ 21194142 × 30000 that equals 635824260000
+ 21194142 × 000000 giving us 0
+ 21194142 × 2000000 giving us 42388284000000
+ 21194142 × 40000000 that results in 847765680000000

= 890957857806060
