Alright, let's work through 4524 times 8415 step by step
4524 × 8415 = 8415 × (4524)
+ 8415 × 4 that results in 33660
+ 8415 × 20 giving us 168300
+ 8415 × 500 what gives us 4207500
+ 8415 × 4000 producing 33660000

= 38069460
