Alright, let's work through 4931 times 6428 step by step
4931 × 6428 = 6428 × (4931)
+ 6428 × 1 that is equal 6428
+ 6428 × 30 resulting in 192840
+ 6428 × 900 giving us 5785200
+ 6428 × 4000 which equals 25712000

= 31696468
