Alright, let's work through 34263978 times 73640757 step by step
34263978 × 73640757 = 73640757 × (34263978)
+ 73640757 × 8 what gives us 589126056
+ 73640757 × 70 yielding 5154852990
+ 73640757 × 900 yielding 66276681300
+ 73640757 × 3000 that is equal 220922271000
+ 73640757 × 60000 that results in 4418445420000
+ 73640757 × 200000 giving us 14728151400000
+ 73640757 × 4000000 that equals 294563028000000
+ 73640757 × 30000000 what gives us 2209222710000000

= 2523225277751346
