Alright, let's work through 5300 times 8115 step by step
5300 × 8115 = 8115 × (5300)
+ 8115 × 0 that is equal 0
+ 8115 × 00 giving us 0
+ 8115 × 300 yielding 2434500
+ 8115 × 5000 yielding 40575000

= 43009500
