No problem, we've got 4309 and 1359 to multiply
4309 × 1359 = 1359 × (4309)
+ 1359 × 9 that equals 12231
+ 1359 × 00 yielding 0
+ 1359 × 300 what gives us 407700
+ 1359 × 4000 yielding 5436000

= 5855931
