Let's calculate 4721 x 2768
4721 × 2768 = 2768 × (4721)
+ 2768 × 1 that is equal 2768
+ 2768 × 20 that is equal 55360
+ 2768 × 700 resulting in 1937600
+ 2768 × 4000 what gives us 11072000

= 13067728
