No problem, we've got 4303 and 5172 to multiply
4303 × 5172 = 5172 × (4303)
+ 5172 × 3 what gives us 15516
+ 5172 × 00 yielding 0
+ 5172 × 300 which equals 1551600
+ 5172 × 4000 that equals 20688000

= 22255116
