Let's calculate 8642 x 6861
8642 × 6861 = 6861 × (8642)
+ 6861 × 2 which equals 13722
+ 6861 × 40 that equals 274440
+ 6861 × 600 that results in 4116600
+ 6861 × 8000 resulting in 54888000

= 59292762
