No problem, we've got 9945 and 4041 to multiply
9945 × 4041 = 4041 × (9945)
+ 4041 × 5 which equals 20205
+ 4041 × 40 that is equal 161640
+ 4041 × 900 that is equal 3636900
+ 4041 × 9000 yielding 36369000

= 40187745
