Alright, let's work through 1551 times 3502 step by step
1551 × 3502 = 3502 × (1551)
+ 3502 × 1 that equals 3502
+ 3502 × 50 resulting in 175100
+ 3502 × 500 resulting in 1751000
+ 3502 × 1000 producing 3502000

= 5431602
