Alright, let's work through 3003 times 601 step by step
3003 × 601 = 601 × (3003)
+ 601 × 3 what gives us 1803
+ 601 × 00 that equals 0
+ 601 × 000 giving us 0
+ 601 × 3000 which equals 1803000

= 1804803
