No problem, we've got 3815 and 1372 to multiply
3815 × 1372 = 1372 × (3815)
+ 1372 × 5 resulting in 6860
+ 1372 × 10 resulting in 13720
+ 1372 × 800 that results in 1097600
+ 1372 × 3000 resulting in 4116000

= 5234180
