No problem, we've got 42043627 and 9742645 to multiply
42043627 × 9742645 = 9742645 × (42043627)
+ 9742645 × 7 that is equal 68198515
+ 9742645 × 20 what gives us 194852900
+ 9742645 × 600 that equals 5845587000
+ 9742645 × 3000 giving us 29227935000
+ 9742645 × 40000 producing 389705800000
+ 9742645 × 000000 what gives us 0
+ 9742645 × 2000000 that equals 19485290000000
+ 9742645 × 40000000 that equals 389705800000000

= 409616132373415
