No problem, we've got 2387 and 5312 to multiply
2387 × 5312 = 5312 × (2387)
+ 5312 × 7 resulting in 37184
+ 5312 × 80 that equals 424960
+ 5312 × 300 producing 1593600
+ 5312 × 2000 which equals 10624000

= 12679744
