Alright, let's work through 1807 times 6309 step by step
1807 × 6309 = 6309 × (1807)
+ 6309 × 7 producing 44163
+ 6309 × 00 what gives us 0
+ 6309 × 800 that equals 5047200
+ 6309 × 1000 what gives us 6309000

= 11400363
