No problem, we've got 1355 and 4259 to multiply
1355 × 4259 = 4259 × (1355)
+ 4259 × 5 what gives us 21295
+ 4259 × 50 that equals 212950
+ 4259 × 300 resulting in 1277700
+ 4259 × 1000 that equals 4259000

= 5770945
