No problem, we've got 8579 and 2120 to multiply
8579 × 2120 = 2120 × (8579)
+ 2120 × 9 what gives us 19080
+ 2120 × 70 that equals 148400
+ 2120 × 500 producing 1060000
+ 2120 × 8000 what gives us 16960000

= 18187480
