Alright, let's work through 34673981 times 67691791 step by step
34673981 × 67691791 = 67691791 × (34673981)
+ 67691791 × 1 giving us 67691791
+ 67691791 × 80 what gives us 5415343280
+ 67691791 × 900 yielding 60922611900
+ 67691791 × 3000 resulting in 203075373000
+ 67691791 × 70000 giving us 4738425370000
+ 67691791 × 600000 producing 40615074600000
+ 67691791 × 4000000 producing 270767164000000
+ 67691791 × 30000000 yielding 2030753730000000

= 2347143874989971
