No problem, we've got 4523 and 9993 to multiply
4523 × 9993 = 9993 × (4523)
+ 9993 × 3 what gives us 29979
+ 9993 × 20 that is equal 199860
+ 9993 × 500 which equals 4996500
+ 9993 × 4000 that results in 39972000

= 45198339
