Alright, let's work through 4393 times 8575 step by step
4393 × 8575 = 8575 × (4393)
+ 8575 × 3 that is equal 25725
+ 8575 × 90 giving us 771750
+ 8575 × 300 resulting in 2572500
+ 8575 × 4000 that is equal 34300000

= 37669975
