Alright, let's work through 1611 times 3120 step by step
1611 × 3120 = 3120 × (1611)
+ 3120 × 1 which equals 3120
+ 3120 × 10 producing 31200
+ 3120 × 600 producing 1872000
+ 3120 × 1000 that is equal 3120000

= 5026320
