No problem, we've got 5407 and 1004 to multiply
5407 × 1004 = 1004 × (5407)
+ 1004 × 7 that equals 7028
+ 1004 × 00 producing 0
+ 1004 × 400 resulting in 401600
+ 1004 × 5000 that is equal 5020000

= 5428628
