Alright, let's work through 9243 times 8721 step by step
9243 × 8721 = 8721 × (9243)
+ 8721 × 3 which equals 26163
+ 8721 × 40 that results in 348840
+ 8721 × 200 what gives us 1744200
+ 8721 × 9000 that is equal 78489000

= 80608203
