Alright, let's work through 1611 times 7548 step by step
1611 × 7548 = 7548 × (1611)
+ 7548 × 1 that is equal 7548
+ 7548 × 10 producing 75480
+ 7548 × 600 which equals 4528800
+ 7548 × 1000 which equals 7548000

= 12159828
