Alright, let's work through 3459 times 1642 step by step
3459 × 1642 = 1642 × (3459)
+ 1642 × 9 that results in 14778
+ 1642 × 50 giving us 82100
+ 1642 × 400 that equals 656800
+ 1642 × 3000 giving us 4926000

= 5679678
