No problem, we've got 1939 and 9420 to multiply
1939 × 9420 = 9420 × (1939)
+ 9420 × 9 that equals 84780
+ 9420 × 30 that is equal 282600
+ 9420 × 900 which equals 8478000
+ 9420 × 1000 yielding 9420000

= 18265380
