Alright, let's work through 6309 times 7529 step by step
6309 × 7529 = 7529 × (6309)
+ 7529 × 9 yielding 67761
+ 7529 × 00 which equals 0
+ 7529 × 300 that results in 2258700
+ 7529 × 6000 that equals 45174000

= 47500461
