No problem, we've got 9826 and 4005 to multiply
9826 × 4005 = 4005 × (9826)
+ 4005 × 6 resulting in 24030
+ 4005 × 20 which equals 80100
+ 4005 × 800 yielding 3204000
+ 4005 × 9000 that equals 36045000

= 39353130
