Alright, let's work through 5438 times 9004 step by step
5438 × 9004 = 9004 × (5438)
+ 9004 × 8 yielding 72032
+ 9004 × 30 giving us 270120
+ 9004 × 400 producing 3601600
+ 9004 × 5000 yielding 45020000

= 48963752
