No problem, we've got 4518 and 4679 to multiply
4518 × 4679 = 4679 × (4518)
+ 4679 × 8 that equals 37432
+ 4679 × 10 that results in 46790
+ 4679 × 500 resulting in 2339500
+ 4679 × 4000 what gives us 18716000

= 21139722
