Let's calculate 1661 x 2729
1661 × 2729 = 2729 × (1661)
+ 2729 × 1 that results in 2729
+ 2729 × 60 resulting in 163740
+ 2729 × 600 that results in 1637400
+ 2729 × 1000 that equals 2729000

= 4532869
