No problem, we've got 8391 and 1527 to multiply
8391 × 1527 = 1527 × (8391)
+ 1527 × 1 that results in 1527
+ 1527 × 90 giving us 137430
+ 1527 × 300 that results in 458100
+ 1527 × 8000 that results in 12216000

= 12813057
