No problem, we've got 2368 and 7989 to multiply
2368 × 7989 = 7989 × (2368)
+ 7989 × 8 that is equal 63912
+ 7989 × 60 what gives us 479340
+ 7989 × 300 what gives us 2396700
+ 7989 × 2000 what gives us 15978000

= 18917952
