Alright, let's work through 3605 times 6730 step by step
3605 × 6730 = 6730 × (3605)
+ 6730 × 5 what gives us 33650
+ 6730 × 00 producing 0
+ 6730 × 600 yielding 4038000
+ 6730 × 3000 that equals 20190000

= 24261650
