No problem, we've got 1523 and 1141 to multiply
1523 × 1141 = 1141 × (1523)
+ 1141 × 3 giving us 3423
+ 1141 × 20 what gives us 22820
+ 1141 × 500 giving us 570500
+ 1141 × 1000 giving us 1141000

= 1737743
