No problem, we've got 1039 and 4209 to multiply
1039 × 4209 = 4209 × (1039)
+ 4209 × 9 resulting in 37881
+ 4209 × 30 giving us 126270
+ 4209 × 000 that is equal 0
+ 4209 × 1000 yielding 4209000

= 4373151
