No problem, we've got 5013 and 4138 to multiply
5013 × 4138 = 4138 × (5013)
+ 4138 × 3 which equals 12414
+ 4138 × 10 that results in 41380
+ 4138 × 000 that results in 0
+ 4138 × 5000 giving us 20690000

= 20743794
