No problem, we've got 3820 and 6578 to multiply
3820 × 6578 = 6578 × (3820)
+ 6578 × 0 yielding 0
+ 6578 × 20 that equals 131560
+ 6578 × 800 giving us 5262400
+ 6578 × 3000 which equals 19734000

= 25127960
