Let's calculate 4428 x 7768
4428 × 7768 = 7768 × (4428)
+ 7768 × 8 that results in 62144
+ 7768 × 20 producing 155360
+ 7768 × 400 that results in 3107200
+ 7768 × 4000 that results in 31072000

= 34396704
