No problem, we've got 1393 and 5121 to multiply
1393 × 5121 = 5121 × (1393)
+ 5121 × 3 that equals 15363
+ 5121 × 90 yielding 460890
+ 5121 × 300 which equals 1536300
+ 5121 × 1000 that results in 5121000

= 7133553
