Alright, let's work through 42344011 times 78659891 step by step
42344011 × 78659891 = 78659891 × (42344011)
+ 78659891 × 1 that is equal 78659891
+ 78659891 × 10 what gives us 786598910
+ 78659891 × 000 yielding 0
+ 78659891 × 4000 that results in 314639564000
+ 78659891 × 40000 producing 3146395640000
+ 78659891 × 300000 producing 23597967300000
+ 78659891 × 2000000 giving us 157319782000000
+ 78659891 × 40000000 that is equal 3146395640000000

= 3330775289762801
