No problem, we've got 1523 and 1256 to multiply
1523 × 1256 = 1256 × (1523)
+ 1256 × 3 that equals 3768
+ 1256 × 20 resulting in 25120
+ 1256 × 500 giving us 628000
+ 1256 × 1000 which equals 1256000

= 1912888
