No problem, we've got 5403 and 5646 to multiply
5403 × 5646 = 5646 × (5403)
+ 5646 × 3 resulting in 16938
+ 5646 × 00 what gives us 0
+ 5646 × 400 resulting in 2258400
+ 5646 × 5000 what gives us 28230000

= 30505338
