Alright, let's work through 9145 times 6381 step by step
9145 × 6381 = 6381 × (9145)
+ 6381 × 5 that results in 31905
+ 6381 × 40 what gives us 255240
+ 6381 × 100 what gives us 638100
+ 6381 × 9000 that results in 57429000

= 58354245
