Alright, let's work through 1564 times 6857 step by step
1564 × 6857 = 6857 × (1564)
+ 6857 × 4 yielding 27428
+ 6857 × 60 that results in 411420
+ 6857 × 500 what gives us 3428500
+ 6857 × 1000 producing 6857000

= 10724348
