Alright, let's work through 42688641 times 43359710 step by step
42688641 × 43359710 = 43359710 × (42688641)
+ 43359710 × 1 that results in 43359710
+ 43359710 × 40 what gives us 1734388400
+ 43359710 × 600 that equals 26015826000
+ 43359710 × 8000 what gives us 346877680000
+ 43359710 × 80000 that equals 3468776800000
+ 43359710 × 600000 which equals 26015826000000
+ 43359710 × 2000000 that results in 86719420000000
+ 43359710 × 40000000 producing 1734388400000000

= 1850967094054110
