Alright, let's work through 1661 times 2436 step by step
1661 × 2436 = 2436 × (1661)
+ 2436 × 1 resulting in 2436
+ 2436 × 60 resulting in 146160
+ 2436 × 600 that equals 1461600
+ 2436 × 1000 that is equal 2436000

= 4046196
