Alright, let's work through 9821 times 5485 step by step
9821 × 5485 = 5485 × (9821)
+ 5485 × 1 giving us 5485
+ 5485 × 20 which equals 109700
+ 5485 × 800 which equals 4388000
+ 5485 × 9000 yielding 49365000

= 53868185
