No problem, we've got 5140 and 6388 to multiply
5140 × 6388 = 6388 × (5140)
+ 6388 × 0 producing 0
+ 6388 × 40 what gives us 255520
+ 6388 × 100 that is equal 638800
+ 6388 × 5000 which equals 31940000

= 32834320
