No problem, we've got 5728 and 8039 to multiply
5728 × 8039 = 8039 × (5728)
+ 8039 × 8 what gives us 64312
+ 8039 × 20 yielding 160780
+ 8039 × 700 giving us 5627300
+ 8039 × 5000 that equals 40195000

= 46047392
