Alright, let's work through 7145 times 8789 step by step
7145 × 8789 = 8789 × (7145)
+ 8789 × 5 resulting in 43945
+ 8789 × 40 producing 351560
+ 8789 × 100 what gives us 878900
+ 8789 × 7000 giving us 61523000

= 62797405
