No problem, we've got 5420 and 1636 to multiply
5420 × 1636 = 1636 × (5420)
+ 1636 × 0 that results in 0
+ 1636 × 20 that is equal 32720
+ 1636 × 400 producing 654400
+ 1636 × 5000 what gives us 8180000

= 8867120
