Alright, let's work through 3750 times 6445 step by step
3750 × 6445 = 6445 × (3750)
+ 6445 × 0 giving us 0
+ 6445 × 50 that is equal 322250
+ 6445 × 700 which equals 4511500
+ 6445 × 3000 yielding 19335000

= 24168750
