Alright, let's work through 7800 times 6058 step by step
7800 × 6058 = 6058 × (7800)
+ 6058 × 0 producing 0
+ 6058 × 00 producing 0
+ 6058 × 800 which equals 4846400
+ 6058 × 7000 yielding 42406000

= 47252400
