No problem, we've got 8629 and 2120 to multiply
8629 × 2120 = 2120 × (8629)
+ 2120 × 9 giving us 19080
+ 2120 × 20 producing 42400
+ 2120 × 600 that equals 1272000
+ 2120 × 8000 producing 16960000

= 18293480
