No problem, we've got 1415 and 1243 to multiply
1415 × 1243 = 1243 × (1415)
+ 1243 × 5 giving us 6215
+ 1243 × 10 which equals 12430
+ 1243 × 400 giving us 497200
+ 1243 × 1000 giving us 1243000

= 1758845
