Alright, let's work through 4258 times 9914 step by step
4258 × 9914 = 9914 × (4258)
+ 9914 × 8 what gives us 79312
+ 9914 × 50 yielding 495700
+ 9914 × 200 giving us 1982800
+ 9914 × 4000 what gives us 39656000

= 42213812
