Alright, let's work through 9729 times 8200 step by step
9729 × 8200 = 8200 × (9729)
+ 8200 × 9 that results in 73800
+ 8200 × 20 giving us 164000
+ 8200 × 700 resulting in 5740000
+ 8200 × 9000 what gives us 73800000

= 79777800
