No problem, we've got 5410 and 1001 to multiply
5410 × 1001 = 1001 × (5410)
+ 1001 × 0 giving us 0
+ 1001 × 10 what gives us 10010
+ 1001 × 400 what gives us 400400
+ 1001 × 5000 that is equal 5005000

= 5415410
