Alright, let's work through 42871731 times 16410899 step by step
42871731 × 16410899 = 16410899 × (42871731)
+ 16410899 × 1 giving us 16410899
+ 16410899 × 30 resulting in 492326970
+ 16410899 × 700 that results in 11487629300
+ 16410899 × 1000 what gives us 16410899000
+ 16410899 × 70000 that results in 1148762930000
+ 16410899 × 800000 giving us 13128719200000
+ 16410899 × 2000000 resulting in 32821798000000
+ 16410899 × 40000000 giving us 656435960000000

= 703563647396169
