Alright, let's work through 8243 times 8363 step by step
8243 × 8363 = 8363 × (8243)
+ 8363 × 3 yielding 25089
+ 8363 × 40 that equals 334520
+ 8363 × 200 giving us 1672600
+ 8363 × 8000 that results in 66904000

= 68936209
