No problem, we've got 3950 and 4939 to multiply
3950 × 4939 = 4939 × (3950)
+ 4939 × 0 which equals 0
+ 4939 × 50 giving us 246950
+ 4939 × 900 that is equal 4445100
+ 4939 × 3000 that results in 14817000

= 19509050
