Alright, let's work through 4241 times 8145 step by step
4241 × 8145 = 8145 × (4241)
+ 8145 × 1 what gives us 8145
+ 8145 × 40 which equals 325800
+ 8145 × 200 yielding 1629000
+ 8145 × 4000 what gives us 32580000

= 34542945
