Alright, let's work through 6445 times 4709 step by step
6445 × 4709 = 4709 × (6445)
+ 4709 × 5 that is equal 23545
+ 4709 × 40 giving us 188360
+ 4709 × 400 that equals 1883600
+ 4709 × 6000 producing 28254000

= 30349505
