No problem, we've got 4042 and 9909 to multiply
4042 × 9909 = 9909 × (4042)
+ 9909 × 2 that equals 19818
+ 9909 × 40 that equals 396360
+ 9909 × 000 resulting in 0
+ 9909 × 4000 that is equal 39636000

= 40052178
