Let's calculate 5161 x 7779
5161 × 7779 = 7779 × (5161)
+ 7779 × 1 that results in 7779
+ 7779 × 60 that is equal 466740
+ 7779 × 100 giving us 777900
+ 7779 × 5000 that results in 38895000

= 40147419
