Alright, let's work through 5678 times 2644 step by step
5678 × 2644 = 2644 × (5678)
+ 2644 × 8 what gives us 21152
+ 2644 × 70 that equals 185080
+ 2644 × 600 which equals 1586400
+ 2644 × 5000 that is equal 13220000

= 15012632
