Alright, let's work through 9745 times 8621 step by step
9745 × 8621 = 8621 × (9745)
+ 8621 × 5 producing 43105
+ 8621 × 40 what gives us 344840
+ 8621 × 700 producing 6034700
+ 8621 × 9000 what gives us 77589000

= 84011645
