No problem, we've got 1336 and 1023 to multiply
1336 × 1023 = 1023 × (1336)
+ 1023 × 6 which equals 6138
+ 1023 × 30 yielding 30690
+ 1023 × 300 what gives us 306900
+ 1023 × 1000 giving us 1023000

= 1366728
