Alright, let's work through 9893 times 8921 step by step
9893 × 8921 = 8921 × (9893)
+ 8921 × 3 that is equal 26763
+ 8921 × 90 what gives us 802890
+ 8921 × 800 yielding 7136800
+ 8921 × 9000 yielding 80289000

= 88255453
