No problem, we've got 1335 and 4243 to multiply
1335 × 4243 = 4243 × (1335)
+ 4243 × 5 resulting in 21215
+ 4243 × 30 that results in 127290
+ 4243 × 300 resulting in 1272900
+ 4243 × 1000 resulting in 4243000

= 5664405
