Alright, let's work through 3645 times 4232 step by step
3645 × 4232 = 4232 × (3645)
+ 4232 × 5 that is equal 21160
+ 4232 × 40 that is equal 169280
+ 4232 × 600 what gives us 2539200
+ 4232 × 3000 resulting in 12696000

= 15425640
