No problem, we've got 8004 and 5036 to multiply
8004 × 5036 = 5036 × (8004)
+ 5036 × 4 resulting in 20144
+ 5036 × 00 what gives us 0
+ 5036 × 000 that results in 0
+ 5036 × 8000 that equals 40288000

= 40308144
