Alright, let's work through 1641 times 7522 step by step
1641 × 7522 = 7522 × (1641)
+ 7522 × 1 which equals 7522
+ 7522 × 40 which equals 300880
+ 7522 × 600 that equals 4513200
+ 7522 × 1000 which equals 7522000

= 12343602
