No problem, we've got 1538 and 8031 to multiply
1538 × 8031 = 8031 × (1538)
+ 8031 × 8 that is equal 64248
+ 8031 × 30 that is equal 240930
+ 8031 × 500 that results in 4015500
+ 8031 × 1000 resulting in 8031000

= 12351678
